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

Hazardous Weather Conditions

Current conditions at

Greenville (KGNR)

Lat: 45.46°NLon: 69.55°WElev: 1394ft.

78°F

26°C

Humidity 67%
Wind Speed S 3 mph
Barometer 29.93 in (1013.0 mb)
Dewpoint 66°F (19°C)
Visibility NA
Heat Index80°F (27°C)
Last update 16 Jul 7:56 pm EDT
Extended Forecast for

Greenville ME

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 65. Light southeast wind.

    Low: 65 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Scattered showers, with thunderstorms also possible after 11am. Patchy fog before 7am. Otherwise, partly sunny, with a high near 81. Light southeast wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Scattered
    Showers and
    Patchy Fog
    then
    Scattered
    T-storms

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms before 2am, then isolated showers. Patchy fog between 9pm and 1am. Otherwise, mostly cloudy, with a low around 59. South wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 40%.

    Low: 59 °F

    Scattered
    T-storms and
    Patchy Fog

  • Friday

    Friday: Mostly sunny, with a high near 72. Northwest wind 11 to 13 mph, with gusts as high as 23 mph.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. Northwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 16 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 76. Calm wind becoming west 5 to 8 mph in the morning.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers, mainly after midnight. Mostly cloudy, with a low around 57. Light southwest wind. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 50%.

    High: 73 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 52. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 65. Light southeast wind.
Thursday
Scattered showers, with thunderstorms also possible after 11am. Patchy fog before 7am. Otherwise, partly sunny, with a high near 81. Light southeast wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Scattered showers and thunderstorms before 2am, then isolated showers. Patchy fog between 9pm and 1am. Otherwise, mostly cloudy, with a low around 59. South wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 72. Northwest wind 11 to 13 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 54. Northwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Saturday
Mostly sunny, with a high near 76. Calm wind becoming west 5 to 8 mph in the morning.
Saturday Night
A chance of showers, mainly after midnight. Mostly cloudy, with a low around 57. Light southwest wind. Chance of precipitation is 30%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 52. Chance of precipitation is 30%.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Mostly cloudy, with a low around 58.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Greenville ME
 45.45°N 69.58°W (Elev. 1119 ft)
Last Update:
2:13 pm EDT Jul 16, 2025
Forecast Valid:
8pm EDT Jul 16, 2025-6pm EDT Jul 23, 2025
 
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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