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.

29°F

-2°C

Humidity 92%
Wind Speed Calm
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 2 May 1:20 am EDT
Extended Forecast for

3 Miles NNE Allagash State Wilderness Waterway ME

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly clear, with a low around 28. Calm wind.

    Low: 28 °F

    Patchy Fog

  • Saturday

    Saturday: Scattered showers, mainly after 2pm. Patchy fog before 7am. Otherwise, increasing clouds, with a high near 51. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 40%.

    High: 51 °F

    Scattered
    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: Showers likely, mainly before 8pm, then a chance of rain after 3am. Mostly cloudy, with a low around 36. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of rain before 8am, then a chance of showers after 8am. Mostly cloudy, with a high near 47. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. West wind around 5 mph.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers after 2pm. Mostly sunny, with a high near 53. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.

    High: 53 °F

    Sunny then
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, mainly before 9pm. Mostly cloudy, with a low around 38. Light southwest wind. Chance of precipitation is 30%.

    Low: 38 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, mainly after 1pm. Partly sunny, with a high near 66. Chance of precipitation is 30%.

    High: 66 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.

    Low: 45 °F

    Chance
    Showers

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly clear, with a low around 28. Calm wind.
Saturday
Scattered showers, mainly after 2pm. Patchy fog before 7am. Otherwise, increasing clouds, with a high near 51. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 40%.
Saturday Night
Showers likely, mainly before 8pm, then a chance of rain after 3am. Mostly cloudy, with a low around 36. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of rain before 8am, then a chance of showers after 8am. Mostly cloudy, with a high near 47. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Partly cloudy, with a low around 30. West wind around 5 mph.
Monday
A chance of showers after 2pm. Mostly sunny, with a high near 53. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers, mainly before 9pm. Mostly cloudy, with a low around 38. Light southwest wind. Chance of precipitation is 30%.
Tuesday
A chance of showers, mainly after 1pm. Partly sunny, with a high near 66. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.
Wednesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Thursday
Showers likely. Mostly cloudy, with a high near 56. Chance of precipitation is 70%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Friday
A chance of showers. Partly sunny, with a high near 52. 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:
4:02 pm EDT May 1, 2026
Forecast Valid:
1am EDT May 2, 2026-6pm EDT May 8, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation