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.

72°F

22°C

Humidity 57%
Wind Speed Calm
Barometer NA
Dewpoint 56°F (13°C)
Visibility NA
Last update 20 Aug 11:20 am EDT
Extended Forecast for

18 Miles WNW Chesuncook ME

  • Today

    Today: Partly sunny, with a high near 72. West wind around 6 mph.

    High: 72 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 46. Light northwest wind.

    Low: 46 °F

    Gradual
    Clearing

  • Friday

    Friday: Sunny, with a high near 73. Light and variable wind.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 72. Calm wind becoming southeast 5 to 7 mph in the morning.

    High: 72 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Showers likely, mainly after 11pm. Mostly cloudy, with a low around 56. East wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 70. Southeast wind around 6 mph. Chance of precipitation is 50%.

    High: 70 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.

    Low: 56 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely

Detailed Forecast

Today
Partly sunny, with a high near 72. West wind around 6 mph.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 46. Light northwest wind.
Friday
Sunny, with a high near 73. Light and variable wind.
Friday Night
Partly cloudy, with a low around 47. Calm wind.
Saturday
Partly sunny, with a high near 72. Calm wind becoming southeast 5 to 7 mph in the morning.
Saturday Night
Showers likely, mainly after 11pm. Mostly cloudy, with a low around 56. East wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 70. Southeast wind around 6 mph. Chance of precipitation is 50%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Monday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Tuesday
A slight chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles WNW Chesuncook ME
 46.14°N 69.77°W (Elev. 1726 ft)
Last Update:
8:08 am EDT Aug 20, 2026
Forecast Valid:
11am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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