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.

64°F

18°C

Humidity 68%
Wind Speed SE 6 mph
Barometer 30.05 in (1017.5 mb)
Dewpoint 53°F (12°C)
Visibility NA
Last update 22 Aug 9:56 pm EDT
Extended Forecast for

Greenville ME

  • Tonight

    Tonight: A chance of showers. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 58. Light east wind. Chance of precipitation is 40%.

    Low: 58 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers. Areas of fog before 2pm. Otherwise, cloudy, with a high near 68. Southeast wind 5 to 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance
    Showers and
    Areas Fog

  • Sunday Night

    Sunday Night: Isolated showers and thunderstorms, then scattered showers after 11pm. Areas of fog after 8pm. Otherwise, cloudy, with a low around 61. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 61 °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 73. South wind 5 to 9 mph. Chance of precipitation is 40%.

    High: 73 °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 southwest wind. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    T-storms then
    Patchy Fog

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 67. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 40%.

    High: 67 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 54. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 58. Light east wind. Chance of precipitation is 40%.
Sunday
A chance of showers. Areas of fog before 2pm. Otherwise, cloudy, with a high near 68. Southeast wind 5 to 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Isolated showers and thunderstorms, then scattered showers after 11pm. Areas of fog after 8pm. Otherwise, cloudy, with a low around 61. Southeast wind around 5 mph becoming calm in the evening. 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 73. South wind 5 to 9 mph. Chance of precipitation is 40%.
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 southwest wind. Chance of precipitation is 20%.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 67. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 54. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 58.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 76. 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 chance of showers. Mostly sunny, with a high near 74. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greenville ME
 45.45°N 69.58°W (Elev. 1119 ft)
Last Update:
7:22 pm EDT Aug 22, 2026
Forecast Valid:
10pm EDT Aug 22, 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