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 Vrbl 2 mph
Barometer NA
Dewpoint N/A
Visibility NA
Last update 19 Aug 3:20 am EDT
Extended Forecast for

Round Mountain ME

  • Overnight

    Overnight: Mostly cloudy, with a low around 54. Light southwest wind.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 74. Southwest wind 3 to 7 mph.

    High: 74 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Isolated showers and thunderstorms before 8pm, then isolated showers between 8pm and 10pm. Mostly cloudy, with a low around 53. West wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 53 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 71. West wind around 7 mph. Chance of precipitation is 20%.

    High: 71 °F

    Mostly Sunny
    then Isolated
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46. West wind around 7 mph.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 70. West wind 5 to 7 mph.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45. Northwest wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 3am. Mostly cloudy, with a low around 50. Chance of precipitation is 20%.

    Low: 50 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 54. Light southwest wind.
Wednesday
Mostly cloudy, with a high near 74. Southwest wind 3 to 7 mph.
Wednesday Night
Isolated showers and thunderstorms before 8pm, then isolated showers between 8pm and 10pm. Mostly cloudy, with a low around 53. West wind 6 to 8 mph. Chance of precipitation is 20%.
Thursday
Isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 71. West wind around 7 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 46. West wind around 7 mph.
Friday
Sunny, with a high near 70. West wind 5 to 7 mph.
Friday Night
Mostly clear, with a low around 45. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
A slight chance of showers after 3am. Mostly cloudy, with a low around 50. Chance of precipitation is 20%.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 70. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 49. Chance of precipitation is 30%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 68. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Round Mountain ME
 46.6°N 68.8°W (Elev. 1706 ft)
Last Update:
2:44 am EDT Aug 19, 2026
Forecast Valid:
3am EDT Aug 19, 2026-6pm EDT Aug 25, 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