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.

70°F

21°C

Humidity 53%
Wind Speed Vrbl 3 mph
Barometer 29.91 in (1012.8 mb)
Dewpoint 52°F (11°C)
Visibility NA
Last update 25 Aug 11:56 am EDT
Extended Forecast for

Sebec ME

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 79. West wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 79 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 54. Light west wind.

    Low: 54 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, sunny, with a high near 80. West wind 3 to 5 mph.

    High: 80 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly after 9pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 60. South wind 6 to 9 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. Patchy fog before 9am. High near 75. South wind around 7 mph. Chance of precipitation is 80%.

    High: 75 °F

    Chance
    Showers and
    Patchy Fog
    then Showers

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and midnight. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 79. West wind 3 to 6 mph. Chance of precipitation is 20%.
Tonight
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 54. Light west wind.
Wednesday
Patchy fog before 9am. Otherwise, sunny, with a high near 80. West wind 3 to 5 mph.
Wednesday Night
Partly cloudy, with a low around 55. Calm wind.
Thursday
Mostly sunny, with a high near 79. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
A chance of showers and thunderstorms, mainly after 9pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 60. South wind 6 to 9 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. Patchy fog before 9am. High near 75. South wind around 7 mph. Chance of precipitation is 80%.
Friday Night
Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and midnight. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 78.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 54. Chance of precipitation is 20%.
Monday
A slight chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sebec ME
 45.28°N 69.1°W (Elev. 397 ft)
Last Update:
9:19 am EDT Aug 25, 2026
Forecast Valid:
12pm EDT Aug 25, 2026-6pm EDT Aug 31, 2026
 
Forecast Discussion
 
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Additional Resources

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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