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.

67°F

19°C

Humidity 55%
Wind Speed Calm
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 22 Aug 8:20 pm EDT
Extended Forecast for

Lac Frontiere ME

  • Tonight

    Tonight: A slight chance of showers after 1am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 55. East wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 55 °F

    Partly Cloudy
    then Slight
    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers, mainly after 10am. Areas of fog before 11am. Otherwise, cloudy, with a high near 67. East wind around 8 mph. Chance of precipitation is 40%.

    High: 67 °F

    Chance
    Showers and
    Areas Fog

  • Sunday Night

    Sunday Night: Scattered showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 59. South wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 59 °F

    Scattered
    Showers and
    Patchy Fog

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 11am. Patchy fog before 10am. High near 72. Southwest wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: Showers likely, mainly before 8pm. 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 and
    Patchy Fog

  • Tuesday

    Tuesday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Patchy fog between 8am and 10am. Otherwise, partly sunny, with a high near 65. Southwest wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Showers
    Likely and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 1am. Mostly cloudy, with a low around 51. Southwest wind around 6 mph. Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers between 10am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 20%.

    High: 73 °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

Tonight
A slight chance of showers after 1am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 55. East wind 3 to 5 mph. Chance of precipitation is 20%.
Sunday
A chance of showers, mainly after 10am. Areas of fog before 11am. Otherwise, cloudy, with a high near 67. East wind around 8 mph. Chance of precipitation is 40%.
Sunday Night
Scattered showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 59. South wind 3 to 6 mph. Chance of precipitation is 30%.
Monday
Showers likely, then showers and possibly a thunderstorm after 11am. Patchy fog before 10am. High near 72. Southwest wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers likely, mainly before 8pm. 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 3pm, then showers likely and possibly a thunderstorm after 3pm. Patchy fog between 8am and 10am. Otherwise, partly sunny, with a high near 65. Southwest wind 3 to 7 mph. 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 chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 1am. Mostly cloudy, with a low around 51. Southwest wind around 6 mph. Chance of precipitation is 30%.
Wednesday
A slight chance of showers between 10am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 20%.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 76. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Saturday
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Lac Frontiere ME
 46.69°N 69.99°W (Elev. 1158 ft)
Last Update:
7:22 pm EDT Aug 22, 2026
Forecast Valid:
9pm EDT Aug 22, 2026-6pm EDT Aug 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation