National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Clayton Lake (K40B)

Lat: 46.62°NLon: 69.53°WElev: 1030ft.

18°F

-8°C

Humidity 53%
Wind Speed Vrbl 5 mph
Barometer NA
Dewpoint 4°F (-16°C)
Visibility NA
Wind Chill11°F (-12°C)
Last update 7 Apr 8:20 am EDT
Extended Forecast for

3 Miles NNE Allagash State Wilderness Waterway ME

  • Today

    Today: Mostly sunny, with a high near 31. Light west wind.

    High: 31 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 6. Light northwest wind.

    Low: 6 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 36. Calm wind becoming west 5 to 8 mph in the morning.

    High: 36 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 18. Calm wind.

    Low: 18 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 51. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 51 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32. South wind 6 to 8 mph.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of rain after 2pm. Mostly cloudy, with a high near 51. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 51 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A chance of rain before 5am, then a slight chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.

    Low: 31 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Saturday

    Saturday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 31. Light west wind.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 6. Light northwest wind.
Wednesday
Sunny, with a high near 36. Calm wind becoming west 5 to 8 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 18. Calm wind.
Thursday
Mostly sunny, with a high near 51. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Thursday Night
Mostly cloudy, with a low around 32. South wind 6 to 8 mph.
Friday
A slight chance of rain after 2pm. Mostly cloudy, with a high near 51. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.
Friday Night
A chance of rain before 5am, then a slight chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 44.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Monday
A chance of rain. Mostly cloudy, with a high near 56. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Allagash State Wilderness Waterway ME
 46.49°N 69.3°W (Elev. 919 ft)
Last Update:
4:03 am EDT Apr 7, 2026
Forecast Valid:
8am EDT Apr 7, 2026-6pm EDT Apr 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation