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.

68°F

20°C

Humidity 82%
Wind Speed Vrbl 6 mph
Barometer NA
Dewpoint 62°F (17°C)
Visibility NA
Last update 23 Aug 3:20 pm EDT
Extended Forecast for

17 Miles SW Allagash State Wilderness Waterway ME

  • This Afternoon

    This Afternoon: Scattered showers. Patchy fog. Otherwise, mostly cloudy, with a high near 69. East wind around 6 mph. Chance of precipitation is 40%.

    High: 69 °F

    Scattered
    Showers and
    Patchy Fog

  • Tonight

    Tonight: Scattered showers after 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 30%.

    Low: 62 °F

    Scattered
    Showers and
    Patchy Fog

  • Monday

    Monday: Scattered showers, with thunderstorms also possible after noon. Areas of fog before 11am. Otherwise, partly sunny, with a high near 76. South wind 3 to 6 mph. Chance of precipitation is 40%.

    High: 76 °F

    Scattered
    Showers and
    Areas Fog
    then
    Scattered
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 72. Light southwest wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers
    Likely and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 51. Calm wind. Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. West wind 5 to 7 mph.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Scattered showers. Patchy fog. Otherwise, mostly cloudy, with a high near 69. East wind around 6 mph. Chance of precipitation is 40%.
Tonight
Scattered showers after 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 30%.
Monday
Scattered showers, with thunderstorms also possible after noon. Areas of fog before 11am. Otherwise, partly sunny, with a high near 76. South wind 3 to 6 mph. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 30%.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 72. Light southwest wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 51. Calm wind. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 73. West wind 5 to 7 mph.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
A chance of showers, mainly after midnight. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Friday
Showers and thunderstorms likely. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SW Allagash State Wilderness Waterway ME
 46.29°N 69.6°W (Elev. 1099 ft)
Last Update:
4:02 pm EDT Aug 23, 2026
Forecast Valid:
4pm EDT Aug 23, 2026-6pm EDT Aug 30, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation