NWS Caribou Watches & Advisories
NWS Caribou
                  Watches, Warnings, and Advisories


NE Weather Chart
Northeast Weather                  Chart


Regional Radar from NWS Caribou
Local Radar


Today's High
Today's High


Today's Heat Index ("Feels Like")
Heat Index
Excessive Heat Information


Tonight's Low


Tonight's Wind Chill ("Feels Like")
Wind Chill


Today's Probability of Precipitation
Probability
                        of Precipitation


Tonight's Probability of Precipitation
Tonight's  Probability of Precipitation

3-Day Precipitation Totals
72-Hour Precipitation Totals


Winter Storm Severity Index (WSSI)
Day 1 Winter Storm Severity Index (WSSI)


Snowfall Outlook
Snowfall
                     Outlook


Ice Accumulation Outlook
Ice
                     Accumulation Outlook


3-Day Maximum Wind Gust
72-Hour Maximum
                     Wind Gust



Today's Severe Weather Outlook



Today's Tornado Outlook
Maine Tornado Outlook



Today's Severe Wind Outlook
Maine Severe Wind Outlook



Today's Severe Hail Outlook
Maine Severe Hail Outlook



Today's Fire Weather Outlook
Today's Maine Fire Weather Outlook


Fort Kent Outdoor Center
1 mi / 1.5 km SW of Apex Wx station in Fort Kent



Northern Aroostook Regional Airport (KFVE) Northern Aroostook Regional Airport FAA WeatherCam — West View
Frenchville, Maine ~15 mi / 24 km east of Fort Kent




St. John River @ Dickey Bridge, Allagash
St. John
                           River at Dickey, ME
Approx. 32 mi / 51 km WSW of Fort Kent



US Route 1 @ Van Buren, ME
US
                                    1 @ Van Buren, ME
Approx. 32 mi / 51 km SE of Fort Kent, ME



Mt. Katahdin
Katahdin (New England Outdoor Center)
New England Outdoor Center
~90 miles south of Fort Kent



Bird Migration Forecast Map
Migration Forecasts Updated
March 1 to June 15 & Aug. 1 to Nov. 15

Apex Wx

Fort Kent & the Saint John Valley, Maine
Weather Information

Weather information for Fort Kent & the Saint John Valley since 2009
Member APRSWXNET/CWOP & CWOP Programs

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What is UTC Time?
UTC (Coordinated Universal Time), also called Zulu (Z) Time, is the standard time reference used by meteorologists, weather models, satellites, aviation, and NOAA products worldwide. During Daylight Saving Time, Eastern Daylight Time (EDT) is 4 hours behind UTC. During Standard Time, Eastern Standard Time (EST) is 5 hours behind UTC. See timeanddate.com for more time zone information.

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🔴 Live Apex Wx Station Conditions 🔴
Fort Kent, Maine

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Temperature
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Dew Point
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Humidity
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Pressure
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Feels Like
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Wind Direction
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Wind Speed
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Wind Gust
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Max Daily Gust
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Rain Today
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Monthly Rain
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Yearly Rain
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APRSWXNET/CWOP Station EW0429 Notice: Due to potential sensor errors, transmission delays, or outages, do not rely on this live data for critical safety decisions, severe weather tracking, or official forecasting. For official forecasts, watches, and warnings, consult the National Weather Service. Data source: Davis Instruments Vantage Pro 2 Personal Weather Station (rain gauge not heated in winter).

📊 Fort Kent Weather Almanac 📊 (Click to Collapse/Expand)
NOAA Climate Summary

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Yesterday's Conditions
Observed conditions from the previous calendar day
High Temperature
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Departure from Normal High
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Low Temperature
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Departure from Normal Low
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Today's Climate Normals & Records
Climate normals and records for today's calendar date
Today's Normal High
66°F
Today's Record High
90°F
Today's Normal Low
41°F
Today's Record Low
28°F
Today's Normal Rainfall
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Today's Record Rainfall
2.73 in
2022
Year-to-Date Rainfall
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Year-to-Date Departure from Normal Rainfall
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Monthly Climate Summary
Month-to-date climate statistics
Warmest Day This Month
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Coldest Day This Month
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Average Daily High
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Average Daily Low
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Avg Monthly Temp
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Monthly Rainfall Total
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Wettest Day This Month
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Average Rainfall / Day
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Snow Season Summary
Seasonal snowfall statistics (July 1 – June 30)
Snowfall This Season
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Departure from Normal
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Largest Snowstorm
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Average Snowfall / Event
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Snowfall Days
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Data Statistics
NOAA ACIS retrieval information
Days Observed
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Observation Period
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Climate data source: NOAA RCC ACIS with Fort Kent weather records dating to 1893. Climate normals and historical records are sourced via NOAA/ACIS data feeds and are intended for informational purposes only. Data can occasionally contain provisional values or missing periods due to automated reporting delays.

☀️ Sun & Moon Information for Fort Kent, Maine 🌙
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🌅 Sunrise
🌇 Sunset
🌆 Dusk
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Current Moon Phase
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Moonrise 🌙↑
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Moonset 🌙↓
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Notice: Sun and moon times above are astronomical predictions calculated by the US Naval Observatory (USNO), which accounts for complex orbital variations, gravitational shifts, and atmospheric refraction. However, actual visibility will vary depending on your exact local topography, weather, and atmospheric conditions. More local sun and moon information at timeanddate.com.

The Week Ahead for Fort Kent & the Saint John Valley

September 13–19, 2026

Updated Sep.13 at 8:40 AM EDT


A Sign of the Times: Some readers may be wondering when more persistent autumn temperatures will arrive in the Northeast beyond the chilly mornings we have already experienced during the past week. Saturday afternoon's Weather Prediction Center surface weather chart offered a reminder that the seasonal transition is well underway farther north, with widespread daytime temperatures in the 40s and 50s across parts of western Canada and considerably colder air already present in the Canadian Arctic.

As summer wanes and autumn approaches, the Sun follows an increasingly lower path across the Northern Hemisphere sky and the days become shorter. With less solar energy reaching the surface each day, northern Canada cools increasingly rapidly and colder air masses become more common.

That does not mean the cold air simply advances steadily southward. Its movement depends on the evolving atmospheric circulation. As the jet stream becomes more active and stronger troughs, fronts, and pressure systems develop, some of that increasingly cold Canadian air will periodically be drawn southward into the United States. Eventually, one of those patterns will deliver the first more widespread and persistent taste of autumn to the Northeast and Maritimes.

☁️☁️☁️

Sunday, September 13 – Tuesday, September 15

Overview: A progressive weather pattern will bring one more period of unsettled conditions before quieter weather returns. High pressure that provided Saturday’s dry and warm weather has shifted into the Maritimes, while an upper-level trough and cold front approach northern Maine from Quebec. A separate low-pressure system developing farther south will keep its deeper moisture and heavier precipitation largely south and east of the Saint John Valley.

Clouds will increase today, with scattered showers developing this afternoon and becoming more numerous tonight as the cold front crosses the region. An isolated thunderstorm is possible, but limited instability should prevent organized severe weather. Rainfall amounts are expected to remain lighter than earlier forecasts suggested.

The upper-level trough will keep showers around Monday morning before cooler, drier northwest flow develops. High pressure builds in Monday night, bringing clearing skies, colder temperatures, and the possibility of localized valley fog or frost before dry, seasonably cool weather Tuesday.

Sunday: High pressure that brought Saturday’s sunny and warm weather has shifted east into the Maritimes as a cold front approaches northern Maine from Quebec. Clouds will increase through the day, with scattered showers developing mainly during the afternoon. An isolated thunderstorm is possible, but significant severe weather is not expected. Highs will reach the upper 60s, with south winds around 10–15 mph. Showers become more widespread tonight as the front crosses the Saint John Valley, with a slight chance of evening thunder. Rainfall should generally remain below 0.30 inch. Lows will fall into the upper 40s to lower 50s as winds turn west behind the front.

Monday:
The cold front will be east of the Valley, but an upper-level trough crossing northern Maine will maintain showers during the morning. Precipitation should gradually diminish toward midday, followed by increasing dry periods and some afternoon sunshine. Cooler and drier air will arrive on northwest winds, with highs in the lower 60s. Northwest winds will become breezy during the afternoon. High pressure builds in Monday night, bringing clearing skies and diminishing winds. Temperatures will fall into the upper 30s, with patchy valley fog and localized frost possible toward Tuesday morning.

Tuesday:
Any early patchy valley fog will dissipate after sunrise as high pressure settles across northern New England. The remainder of the day should be dry with mostly sunny to partly sunny skies and considerably lighter winds than Monday. Temperatures will recover into the mid-60s, close to seasonal normals. Clouds will begin increasing Tuesday night as the high gradually shifts east, with lows moderating into the upper 40s.

Wednesday, September 16 – Saturday, September 19

Overview:  As the upper-level trough and cold front responsible for Sunday night’s showers move east, cool Canadian high pressure will build into northern New England Monday night and Tuesday, providing a brief period of quieter weather. The high will shift east Wednesday, allowing south to southwest flow to develop ahead of the next Canadian low and frontal system. Temperatures will rebound as moisture and cloud cover gradually increase.

The late-week pattern remains somewhat uncertain. Current guidance supports another frontal passage between Thursday and Saturday, bringing a renewed chance for showers to the Saint John Valley. The system currently appears more likely to produce ordinary frontal showers than heavy rain or thunderstorms, with little significant instability indicated. The main forecast question is timing: a faster-moving front would bring showers Thursday followed by earlier clearing, while a slower system could postpone the wetter period until Friday or Saturday.

Wednesday: After any early valley fog dissipates, Wednesday should be mainly dry with a mix of sun and increasing clouds as high pressure moves east and southwest flow develops. Temperatures should rebound into the upper 60s to lower 70s, several degrees above normal for mid-September. Winds will generally be light from the southwest to west. Clouds increase Wednesday night as the next system approaches, with lows remaining relatively mild in the upper 40s to lower 50s.

Thursday:
The forecast becomes less certain as the Canadian low and associated front approach. Current NWS guidance introduces a chance of showers while maintaining at least some dry periods. Skies should range from partly sunny to mostly cloudy, with highs generally in the mid to upper 60s. Shower chances should increase as the frontal boundary draws closer, although whether the more organized precipitation arrives during Thursday or holds until Thursday night remains uncertain.

Friday:
Friday currently appears likely to remain at least somewhat unsettled as the frontal system moves through or begins pulling east. Periods of showers are possible, but considerable timing uncertainty remains. A faster frontal passage would allow clearing and drier northwest flow to develop during the day, while a slower solution would maintain clouds and showers longer. Temperatures should generally reach the lower to mid-60s, near seasonal normals.

Saturday:
Confidence is lowest by Saturday and will depend heavily on the speed of the late-week system. The slower guidance could keep some clouds and lingering showers across northern Maine, while a faster solution would allow high pressure and drier air to become established. At present, a cooler, increasingly dry trend appears more likely as the system eventually moves east, with highs generally around the lower 60s.

Long Range: Sunday, September 20 – Saturday, September 26

Normal temperatures across the Saint John Valley during this period are generally in the lower 60s for daytime highs and lower 40s for overnight lows, with temperatures continuing their gradual decline through September. CPC outlooks favor near-normal temperatures and below-median precipitation across Maine. A developing trough over the Northeast early in the period should gradually weaken as ridging shifts east, while stronger surface high pressure favors drier conditions across northern Maine. Confidence is below average because of the transitional pattern.

Outlooks updated 7-9 AM weekdays & 8-10 AM weekends and holidays. Long range outlooks indicate broader temperature and precipitation trends rather than precise day-to-day forecasts.


🌤️ 7-Day Weather Summary for Fort Kent & Vicinity 🌤️
Updated every 3-6 hours from NWS Caribou
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Maine / New Brunswick Regional Satellite
Regional Visible
                                                   Satellite
Credit: College of DuPage / NOAA GOES-19 Imagery: True Color (day) and Shortwave IR (night)


🇺🇸 US National Weather Outlook 🇺🇸 (Click to Collapse/Expand)


Storms Shift East as Unsettled Weather Builds Across the West

Showers and thunderstorms will continue from the Central Plains to the Northeast today as a well-defined cold front advances toward the East Coast. Some storms may produce locally heavy rainfall and severe weather before the front moves offshore Monday, allowing conditions to improve across much of the East. Farther west, developing low pressure will bring cool, wet weather to the Northwest and Northern Rockies while maintaining repeated rounds of thunderstorms across the Plains. Areas experiencing multiple storms could face flash flooding. Monsoon thunderstorms will also continue across the Southern Rockies and Four Corners with localized heavy rain possible. Cooler temperatures will follow frontal passages across parts of the northern United States, while potentially record-breaking heat persists across portions of the Southern Plains and Mid-Mississippi Valley.


🌤️ Weather Resources 🌤️
(Click to Collapse/Expand)

🇺🇸 NOAA/National Weather Service Weather Information


🌎 World Weather



Weather Notice

Apex Wx forecasts are based on available observations, computer model guidance, and other meteorological data. Conditions and forecast guidance can change, and information displayed here may not reflect the latest official forecast or warning information. Always visit NWS Caribou for the latest official forecasts, watches, warnings, and advisories for northern Maine.

Apex Wx is a private weather information service unaffiliated with NOAA or the National Weather Service and operated by Joseph Becker, PhD. Dr. Becker earned a Certificate in Weather Forecasting from Penn State University and is a trained NWS SKYWARN Storm Spotter.

Credits

How accurate are forecasts?

Forecast confidence generally decreases as lead time increases. Forecasts for the next few days usually provide considerably more detail and confidence than forecasts a week or more in advance. Beyond about 7 days, forecasts are most useful for identifying broader weather patterns and temperature or precipitation trends rather than predicting exact conditions at a particular place and time.

Individual computer-model runs—especially those depicting specific storms, snowfall amounts, or other details a week or more in advance—should not be treated as forecasts by themselves. Extended forecasts will change as new observations become available and models better resolve the evolving atmospheric pattern. Check updated forecasts as the event approaches.

Weather Apps

Most weather apps rely heavily on automated forecast data. They can be useful for a quick look at routine weather, but automated forecasts may miss important local details or the significance of rapidly changing conditions. During hazardous or changing weather, consult weather.gov and other official National Weather Service information rather than relying solely on an app.

Radar Apps

Weather radar is an invaluable tool for tracking precipitation and storms, but radar images should not be interpreted as a real-time picture of conditions at the ground. Data collection, processing, transmission, mosaicking, and app updates can introduce delays, and radar detects energy returned from precipitation at varying heights above the surface. During rapidly developing or moving storms, conditions at your location may therefore differ from what a radar app appears to show. Use radar together with current observations and official National Weather Service warnings.





US Surface Weather Chart
Current Surface Analysis/Weather Chart
How to read weather maps


U.S. Satellite 🛰️
[CONUS Satellite Image]
Visible/true color (day) | Infrared (night)


U.S Weather Radar
Live NOAA US Radar


US Advisories, Watches, & Warnings
National Advisories, Watches, and
                     Warnings


US Precipitation Outlook
US
                  Precipitation Outlook


US Snowfall Outlook
US Snow
                     Outlook


Yesterday's Storm Reports
Yesterday's SPC Storm Reports


Today's High Temperatures
US High
                     Temeperature Outlook

Tonight's Low Temperatures
US Low Temperture
                        Outlook

8-14 Day Temperature Outlook
8-14 Day Temperature Outlook


8-14 Day Precipitation Outlook

2-Day Tropical Atlantic Outlook
2-Day Tropical Atlantic Outlook
Graphics update June - November


7-Day Tropical Atlantic Outlook
7-Day Tropical Atlantic Outlook
Graphics update June - November


Northeast Regional Satellite
Regional Satellite


Northeast Severe Weather Outlook
Northeast Severe Weather Outlook


Northeast Precipitation Outlook
NE
                     Precipitation Outlook


Northeast Snowfall Outlook
Regional Snow
                     Accumulation


Northeast Ice Accumulation Outlook
Regional Ice
                        Accumulation


Northeast Wind Gust Outlook
NE Wind
                     Gusts


Northeast Wave Height Outlook
NE Wave
                     Height


Maine Drought Monitor
Maine Drouht
                     Monitor


Saint John River at Fort Kent
Saint
                     John River at Fort Kent
Ice in winter may affect gauge measurement.


Fish River at Fort Kent
Fish
                     River at Fort Kent
Ice in winter may affect gauge measurement.


Allagash River above Allagash
Allagash River above Allagash
Ice in winter may affect gauge measurement.


St. John River at Dickey
St. John River at Dickey
Ice in winter may affect gauge measurement.



Environment Canada Weather Map
Canadian
                     Weather Map
Temperature in Celsius



Today's Sun
Today's Sun

Aurora Outlook
Aurora Outlook
Learn more about Geomagnetic Storm Impacts