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.

79°F

26°C

Humidity 53%
Wind Speed Vrbl 6 G 12 mph
Barometer NA
Dewpoint 60°F (16°C)
Visibility NA
Heat Index80°F (27°C)
Last update 9 Jul 3:20 pm EDT
Extended Forecast for

10 Miles S Allagash State Wilderness Waterway ME

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms. Mostly cloudy, with a high near 81. West wind around 6 mph. Chance of precipitation is 20%.

    High: 81 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then showers likely. Patchy fog after 2am. Low around 59. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Scattered
    T-storms then
    Showers and
    Patchy Fog

  • Friday

    Friday: Scattered showers, mainly before 7am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 80. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 80 °F

    Scattered
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74. North wind 3 to 7 mph.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80. Light north wind.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Mostly cloudy, with a high near 81. West wind around 6 mph. Chance of precipitation is 20%.
Tonight
Showers and thunderstorms before 3am, then showers likely. Patchy fog after 2am. Low around 59. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Scattered showers, mainly before 7am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 80. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 52. Calm wind.
Saturday
Sunny, with a high near 74. North wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 51. Calm wind.
Sunday
Sunny, with a high near 80. Light north wind.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 83.
Monday Night
A chance of showers, mainly between 11pm and midnight. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles S Allagash State Wilderness Waterway ME
 46.3°N 69.35°W (Elev. 1066 ft)
Last Update:
2:29 pm EDT Jul 9, 2026
Forecast Valid:
3pm EDT Jul 9, 2026-6pm EDT Jul 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation