Current conditions at

Greenville (KGNR)

Lat: 45.46°NLon: 69.55°WElev: 1394ft.

70°F

21°C

Humidity 39%
Wind Speed N 5 mph
Barometer 30.12 in (1019.9 mb)
Dewpoint 44°F (7°C)
Visibility NA
Last update 21 Aug 5:56 pm EDT
Extended Forecast for

Greenville ME

  • Tonight

    Tonight: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 74. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 74 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Showers likely, mainly between 2am and 3am.  Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 58. Light east wind.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 58 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 2pm.  Areas of fog before 9am.  Otherwise, mostly cloudy, with a high near 69. Southeast wind 5 to 7 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Showers
    Likely and
    Areas Fog

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Patchy fog after 10pm.  Otherwise, cloudy, with a low around 62. Southeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Mostly cloudy, with a high near 75. Light south wind increasing to 5 to 9 mph in the morning.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 54. Light southwest wind.  Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 70. Chance of precipitation is 30%.

    High: 70 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 53. Calm wind.
Saturday
Increasing clouds, with a high near 74. Calm wind becoming southeast 5 to 8 mph in the morning.
Saturday Night
Showers likely, mainly between 2am and 3am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 58. Light east wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers likely, with thunderstorms also possible after 2pm. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 69. Southeast wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms. Patchy fog after 10pm. Otherwise, cloudy, with a low around 62. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 75. Light south wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Light southwest wind. Chance of precipitation is 30%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 70. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 75. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Greenville ME
 45.45°N 69.61°W (Elev. 1096 ft)
4:02 pm EDT Aug 21, 2026
6pm EDT Aug 21, 2026-6pm EDT Aug 28, 2026
 
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