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.

39°F

4°C

Humidity 89%
Wind Speed Vrbl 2 mph
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 12 Oct 6:20 pm EDT
Extended Forecast for

3 Miles N Allagash State Wilderness Waterway ME

  • Tonight

    Tonight: Widespread frost between 11pm and 2am. Otherwise, mostly cloudy, with a low around 27. North wind 5 to 9 mph becoming calm in the evening.

    Low: 27 °F

    Frost

  • 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 42. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 42 °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 7 to 9 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 8am. 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 48. Northwest wind 11 to 16 mph, with gusts as high as 29 mph.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: A chance of rain and snow before 11am, then rain likely. Mostly cloudy, with a high near 45. Chance of precipitation is 70%.

    High: 45 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Friday Night

    Friday Night: Rain before 2am, then rain and snow likely. Low around 28. Chance of precipitation is 90%.

    Low: 28 °F

    Rain then
    Rain/Snow

Detailed Forecast

Tonight
Widespread frost between 11pm and 2am. Otherwise, mostly cloudy, with a low around 27. North wind 5 to 9 mph becoming calm in the evening.
Tuesday
A chance of snow before noon, then a chance of rain and snow between noon and 1pm, then rain after 1pm. High near 42. Calm wind becoming southeast 5 to 7 mph in the morning. 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 7 to 9 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday
Rain likely, mainly before 8am. 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 48. Northwest wind 11 to 16 mph, with gusts as high as 29 mph.
Thursday Night
Partly cloudy, with a low around 25. Calm wind.
Friday
A chance of rain and snow before 11am, then rain likely. Mostly cloudy, with a high near 45. 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 before 11am, then a chance of snow. Mostly cloudy, with a high near 40. Breezy. 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 24.
Monday
Partly sunny, with a high near 49.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Allagash State Wilderness Waterway ME
 46.49°N 69.3°W (Elev. 919 ft)
Last Update:
4:03 pm EDT Oct 12, 2026
Forecast Valid:
6pm EDT Oct 12, 2026-6pm EDT Oct 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation