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.

58°F

14°C

Humidity 97%
Wind Speed NW 3 mph
Barometer 29.91 in (1012.5 mb)
Dewpoint 57°F (14°C)
Visibility NA
Last update 20 Aug 4:56 am EDT
Extended Forecast for

South Sebec ME

  • Today

    Today: Patchy fog before 9am. Otherwise, partly sunny, with a high near 81. Calm wind becoming west around 6 mph in the morning.

    High: 81 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Areas of fog after 11pm. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 51. Light north wind.

    Low: 51 °F

    Areas Fog

  • Friday

    Friday: Areas of fog before 9am. Otherwise, sunny, with a high near 80. Calm wind.

    High: 80 °F

    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: A chance of showers, mainly after 5pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 75. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

    High: 75 °F

    Patchy Fog
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms. Low around 59. Northeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 74. Northeast wind around 6 mph becoming southeast in the afternoon. Chance of precipitation is 60%.

    High: 74 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.

    Low: 59 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 79. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    Showers

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, partly sunny, with a high near 81. Calm wind becoming west around 6 mph in the morning.
Tonight
Areas of fog after 11pm. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 51. Light north wind.
Friday
Areas of fog before 9am. Otherwise, sunny, with a high near 80. Calm wind.
Friday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 50. Calm wind.
Saturday
A chance of showers, mainly after 5pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 75. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
Showers and thunderstorms. Low around 59. Northeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 74. Northeast wind around 6 mph becoming southeast in the afternoon. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Monday
A chance of showers, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 79. Chance of precipitation is 40%.
Monday Night
A chance of showers, mainly before 9pm. Partly cloudy, with a low around 51. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Mostly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Sebec ME
 45.21°N 69.09°W (Elev. 302 ft)
Last Update:
4:01 am EDT Aug 20, 2026
Forecast Valid:
5am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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