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.

70°F

21°C

Humidity 80%
Wind Speed Calm
Barometer NA
Dewpoint 64°F (18°C)
Visibility NA
Last update 7 Aug 10:20 pm EDT
Extended Forecast for

14 Miles SW Allagash State Wilderness Waterway ME

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Isolated showers between 1pm and 2pm, then scattered showers and thunderstorms after 2pm. Mostly cloudy, with a high near 81. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Mostly Cloudy
    then
    Scattered
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers between 7am and 11am, then a chance of showers and thunderstorms after 11am. Patchy fog before 10am. Otherwise, partly sunny, with a high near 79. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    T-storms and
    Patchy Fog

  • Sunday Night

    Sunday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 59. Light west wind.

    Low: 59 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 78. West wind 3 to 7 mph.

    High: 78 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 57. Calm wind. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Partly cloudy, with a low around 53. Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 63. Calm wind.
Saturday
Isolated showers between 1pm and 2pm, then scattered showers and thunderstorms after 2pm. Mostly cloudy, with a high near 81. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 30%.
Sunday
A chance of showers between 7am and 11am, then a chance of showers and thunderstorms after 11am. Patchy fog before 10am. Otherwise, partly sunny, with a high near 79. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 59. Light west wind.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 78. West wind 3 to 7 mph.
Monday Night
A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 57. Calm wind. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 40%.
Tuesday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Partly cloudy, with a low around 53. Chance of precipitation is 20%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 76. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 52. Chance of precipitation is 20%.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 74. 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 and thunderstorms. Partly sunny, with a high near 71. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SW Allagash State Wilderness Waterway ME
 46.31°N 69.53°W (Elev. 1040 ft)
Last Update:
9:43 pm EDT Aug 7, 2026
Forecast Valid:
10pm EDT Aug 7, 2026-6pm EDT Aug 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation