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.

54°F

12°C

Humidity NA
Wind Speed Calm
Barometer NA
Dewpoint N/A
Visibility NA
Last update 13 Aug 10:20 pm EDT
Extended Forecast for

Round Mountain ME

  • Tonight

    Tonight: Mostly clear, with a low around 46. Northwest wind 8 to 11 mph.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68. Northwest wind 11 to 13 mph.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47. Northwest wind 9 to 11 mph.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 69. Northwest wind around 9 mph.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46. West wind around 7 mph.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 71. Southwest wind 3 to 5 mph.

    High: 71 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers, mainly after 11pm. Mostly cloudy, with a low around 49. Calm wind. Chance of precipitation is 40%.

    Low: 49 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.

    High: 69 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.

    Low: 49 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 46. Northwest wind 8 to 11 mph.
Friday
Sunny, with a high near 68. Northwest wind 11 to 13 mph.
Friday Night
Mostly clear, with a low around 47. Northwest wind 9 to 11 mph.
Saturday
Sunny, with a high near 69. Northwest wind around 9 mph.
Saturday Night
Mostly clear, with a low around 46. West wind around 7 mph.
Sunday
Partly sunny, with a high near 71. Southwest wind 3 to 5 mph.
Sunday Night
A chance of showers, mainly after 11pm. Mostly cloudy, with a low around 49. Calm wind. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 75. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 72. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Round Mountain ME
 46.58°N 68.8°W (Elev. 1804 ft)
Last Update:
9:20 pm EDT Aug 13, 2026
Forecast Valid:
11pm EDT Aug 13, 2026-6pm EDT Aug 20, 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