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.

58°F

14°C

Humidity 76%
Wind Speed Calm
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 23 Aug 1:20 am EDT
Extended Forecast for

8 Miles NNW Allagash State Wilderness Waterway ME

  • Overnight

    Overnight: A slight chance of showers. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 56. East wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers, mainly after 10am. Patchy fog between 10am and 11am. Otherwise, cloudy, with a high near 68. East wind around 7 mph. Chance of precipitation is 40%.

    High: 68 °F

    Chance
    Showers and
    Areas Fog

  • Sunday Night

    Sunday Night: A slight chance of showers before 8pm, then scattered showers after 9pm. Patchy fog. Otherwise, mostly cloudy, with a low around 61. Light southeast wind. Chance of precipitation is 40%.

    Low: 61 °F

    Scattered
    Showers and
    Patchy Fog

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 11am. Patchy fog before 10am. High near 73. South wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: Showers likely, mainly before 1am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 51. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Showers
    Likely 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 66. 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: 66 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 51. Calm wind becoming west around 6 mph after midnight. Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    T-storms 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 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of showers. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 56. East wind 3 to 5 mph. Chance of precipitation is 20%.
Sunday
A chance of showers, mainly after 10am. Patchy fog between 10am and 11am. Otherwise, cloudy, with a high near 68. East wind around 7 mph. Chance of precipitation is 40%.
Sunday Night
A slight chance of showers before 8pm, then scattered showers after 9pm. Patchy fog. Otherwise, mostly cloudy, with a low around 61. Light southeast wind. Chance of precipitation is 40%.
Monday
Showers likely, then showers and possibly a thunderstorm after 11am. Patchy fog before 10am. High near 73. South wind 5 to 7 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 likely, mainly before 1am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 51. Calm wind. Chance of precipitation is 60%. 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 66. 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 slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 51. Calm wind becoming west around 6 mph after midnight. Chance of precipitation is 20%.
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 52.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly cloudy, with a low around 56.
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 54. Chance of precipitation is 60%.
Saturday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNW Allagash State Wilderness Waterway ME
 46.54°N 69.38°W (Elev. 1138 ft)
Last Update:
7:22 pm EDT Aug 22, 2026
Forecast Valid:
1am EDT Aug 23, 2026-6pm EDT Aug 29, 2026
 
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