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.

62°F

17°C

Humidity 85%
Wind Speed Calm
Barometer NA
Dewpoint 58°F (14°C)
Visibility NA
Last update 11 Aug 12:20 am EDT
Extended Forecast for

17 Miles WSW Allagash State Wilderness Waterway ME

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm before 3am, then scattered showers and thunderstorms after 3am. Cloudy, with a low around 57. Calm wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Scattered showers and thunderstorms, mainly between 11am and 5pm. Partly sunny, with a high near 74. West wind 5 to 9 mph. Chance of precipitation is 40%.

    High: 74 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52. West wind 3 to 5 mph.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74. West wind 5 to 8 mph.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50. Light west wind.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 72. West wind 3 to 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: 72 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Low around 49. Light west wind. Chance of precipitation is 80%.

    Low: 49 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 47. Chance of precipitation is 30%.

    Low: 47 °F

    Chance
    Showers then
    Mostly Clear

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm before 3am, then scattered showers and thunderstorms after 3am. Cloudy, with a low around 57. Calm wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Scattered showers and thunderstorms, mainly between 11am and 5pm. Partly sunny, with a high near 74. West wind 5 to 9 mph. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 52. West wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 74. West wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 50. Light west wind.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 72. West wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Low around 49. Light west wind. Chance of precipitation is 80%.
Friday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 47. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 73. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WSW Allagash State Wilderness Waterway ME
 46.32°N 69.63°W (Elev. 1417 ft)
Last Update:
9:25 pm EDT Aug 10, 2026
Forecast Valid:
12am EDT Aug 11, 2026-6pm EDT Aug 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation