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.

73°F

23°C

Humidity 39%
Wind Speed Vrbl 5 G 13 mph
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 22 Aug 3:20 pm EDT
Extended Forecast for

4 Miles SSW Allagash ME

  • Tonight

    Tonight: A slight chance of rain after 1am. Patchy fog after 5am. Otherwise, increasing clouds, with a low around 57. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 57 °F

    Mostly Clear
    then Slight
    Chance Rain
    and Patchy
    Fog

  • Sunday

    Sunday: Scattered showers, mainly after 9am. Patchy fog before 2pm, then patchy fog after 4pm. Otherwise, cloudy, with a high near 67. East wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Scattered
    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: Scattered showers, mainly after 3am. Patchy fog. Otherwise, mostly cloudy, with a low around 62. Light east wind. Chance of precipitation is 30%.

    Low: 62 °F

    Scattered
    Showers and
    Patchy Fog

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 11am. Patchy fog before 10am. High near 74. South wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: Showers, mainly before 9pm. Patchy fog after 2am. Low around 54. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Showers then
    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 67. Calm wind becoming southwest around 5 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: 67 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Mostly cloudy, with a low around 53. Light southwest wind. Chance of precipitation is 30%.

    Low: 53 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 20%.

    High: 75 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

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

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of rain after 1am. Patchy fog after 5am. Otherwise, increasing clouds, with a low around 57. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
Scattered showers, mainly after 9am. Patchy fog before 2pm, then patchy fog after 4pm. Otherwise, cloudy, with a high near 67. East wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Scattered showers, mainly after 3am. Patchy fog. Otherwise, mostly cloudy, with a low around 62. Light east wind. Chance of precipitation is 30%.
Monday
Showers likely, then showers and possibly a thunderstorm after 11am. Patchy fog before 10am. High near 74. South wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers, mainly before 9pm. Patchy fog after 2am. Low around 54. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 67. Calm wind becoming southwest around 5 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.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Mostly cloudy, with a low around 53. Light southwest wind. Chance of precipitation is 30%.
Wednesday
A slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Saturday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Allagash ME
 47.02°N 69.08°W (Elev. 801 ft)
Last Update:
4:02 pm EDT Aug 22, 2026
Forecast Valid:
4pm EDT Aug 22, 2026-6pm EDT Aug 29, 2026
 
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Additional Resources

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Chance of Precipitation