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.

41°F

5°C

Humidity 89%
Wind Speed Vrbl 5 mph
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 12 Oct 5:20 pm EDT
Extended Forecast for

3 Miles S Allagash State Wilderness Waterway ME

  • Columbus Day

    Columbus Day: Isolated showers. Cloudy, with a steady temperature around 43. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 43 °F

    Isolated
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. Northeast wind 5 to 7 mph becoming calm after midnight.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of snow before noon, then a chance of rain and snow between noon and 1pm, then rain after 1pm. High near 41. Southeast wind 3 to 6 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 41 °F

    Chance Snow
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all rain after midnight. Patchy fog before 11pm, then patchy fog after midnight. Low around 34. East wind 6 to 8 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow and
    Patchy Fog
    then Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Rain likely, mainly before 7am. Patchy fog between 8am and 11am. Otherwise, mostly cloudy, with a high near 48. East wind around 6 mph becoming light and variable in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain Likely
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34. West wind 5 to 11 mph, with gusts as high as 22 mph.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 49. Northwest wind 11 to 15 mph, with gusts as high as 26 mph.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: A chance of rain and snow before 11am, then rain likely. Mostly cloudy, with a high near 46. Chance of precipitation is 70%.

    High: 46 °F

    Rain/Snow
    Likely then
    Rain Likely

Detailed Forecast

Columbus Day
Isolated showers. Cloudy, with a steady temperature around 43. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 26. Northeast wind 5 to 7 mph becoming calm after midnight.
Tuesday
A chance of snow before noon, then a chance of rain and snow between noon and 1pm, then rain after 1pm. High near 41. Southeast wind 3 to 6 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday Night
Rain and snow, becoming all rain after midnight. Patchy fog before 11pm, then patchy fog after midnight. Low around 34. East wind 6 to 8 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday
Rain likely, mainly before 7am. Patchy fog between 8am and 11am. Otherwise, mostly cloudy, with a high near 48. East wind around 6 mph becoming light and variable in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 34. West wind 5 to 11 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny, with a high near 49. Northwest wind 11 to 15 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 25.
Friday
A chance of rain and snow before 11am, then rain likely. Mostly cloudy, with a high near 46. Chance of precipitation is 70%.
Friday Night
Rain before 2am, then rain and snow likely. Low around 28. Chance of precipitation is 90%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Partly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Allagash State Wilderness Waterway ME
 46.39°N 69.33°W (Elev. 1145 ft)
Last Update:
4:03 pm EDT Oct 12, 2026
Forecast Valid:
5pm EDT Oct 12, 2026-6pm EDT Oct 19, 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