National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Greenville (KGNR)

Lat: 45.46°NLon: 69.55°WElev: 1394ft.

63°F

17°C

Humidity 84%
Wind Speed E 8 mph
Barometer 30.03 in (1016.6 mb)
Dewpoint 58°F (14°C)
Visibility NA
Last update 22 Aug 11:56 pm EDT
Extended Forecast for

Sebec Lake ME

  • Overnight

    Overnight: A chance of showers. Areas of fog. Otherwise, cloudy, with a low around 58. East wind 3 to 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 58 °F

    Chance
    Showers and
    Areas Fog

  • Sunday

    Sunday: A chance of showers. Areas of fog. Otherwise, cloudy, with a high near 71. East wind 5 to 7 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 71 °F

    Chance
    Showers and
    Areas Fog

  • Sunday Night

    Sunday Night: Isolated showers and thunderstorms, then scattered showers after 11pm. Areas of fog. Otherwise, cloudy, with a low around 62. Light southeast wind. Chance of precipitation is 30%.

    Low: 62 °F

    Scattered
    Showers and
    Areas Fog

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 76. South wind 3 to 8 mph. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 54. Light and variable wind. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    T-storms then
    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 71. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 71 °F

    Patchy Fog
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 54. Light west wind. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers. Areas of fog. Otherwise, cloudy, with a low around 58. East wind 3 to 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers. Areas of fog. Otherwise, cloudy, with a high near 71. East wind 5 to 7 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Isolated showers and thunderstorms, then scattered showers after 11pm. Areas of fog. Otherwise, cloudy, with a low around 62. Light southeast wind. Chance of precipitation is 30%.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 76. South wind 3 to 8 mph. Chance of precipitation is 30%.
Monday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 54. Light and variable wind. Chance of precipitation is 20%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 71. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 54. Light west wind. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 57.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Saturday
A slight chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sebec Lake ME
 45.31°N 69.34°W (Elev. 397 ft)
Last Update:
7:22 pm EDT Aug 22, 2026
Forecast Valid:
12am EDT Aug 23, 2026-6pm EDT Aug 29, 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