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.

65°F

18°C

Humidity 92%
Wind Speed Calm
Barometer NA
Dewpoint 63°F (17°C)
Visibility NA
Last update 8 Aug 2:20 am EDT
Extended Forecast for

15 Miles WSW Allagash State Wilderness Waterway ME

  • Overnight

    Overnight: Isolated showers. Patchy fog. Otherwise, cloudy, with a low around 62. Calm wind. Chance of precipitation is 20%.

    Low: 62 °F

    Isolated
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Scattered showers, with thunderstorms also possible after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 80. Light and variable wind. Chance of precipitation is 30%.

    High: 80 °F

    Scattered
    Showers and
    Patchy Fog
    then
    Scattered
    T-storms

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 3am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 30%.

    Low: 61 °F

    Scattered
    T-storms then
    Slight Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 79. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60. West wind 5 to 7 mph.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76. West wind 5 to 8 mph.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Showers likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 5am, then showers likely after 5am. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 72. Chance of precipitation is 30%.

    High: 72 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
Isolated showers. Patchy fog. Otherwise, cloudy, with a low around 62. Calm wind. Chance of precipitation is 20%.
Saturday
Scattered showers, with thunderstorms also possible after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 80. Light and variable wind. Chance of precipitation is 30%.
Saturday Night
Scattered showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 3am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 30%.
Sunday
Showers and thunderstorms likely, mainly before 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 79. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Partly cloudy, with a low around 60. West wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 76. West wind 5 to 8 mph.
Monday Night
Showers likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 5am, then showers likely after 5am. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 60%.
Tuesday
A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 72. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 52. Chance of precipitation is 20%.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 72. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Friday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles WSW Allagash State Wilderness Waterway ME
 46.38°N 69.61°W (Elev. 1512 ft)
Last Update:
2:44 am EDT Aug 8, 2026
Forecast Valid:
3am EDT Aug 8, 2026-6pm EDT Aug 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation