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.

67°F

19°C

Humidity 49%
Wind Speed E 6 mph
Barometer 30.09 in (1019.1 mb)
Dewpoint 47°F (8°C)
Visibility NA
Last update 1 Sep 2:56 pm EDT
Extended Forecast for

Greenville ME

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 72. East wind around 5 mph.

    High: 72 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 70. Southeast wind 3 to 8 mph.

    High: 70 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 5am. Patchy fog after 2am. Otherwise, cloudy, with a low around 53. South wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 53 °F

    Cloudy then
    Rain Likely
    and Patchy
    Fog

  • Thursday

    Thursday: Rain. Patchy fog before 10am. High near 61. Southeast wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 61 °F

    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of rain before 2am, then a slight chance of showers between 2am and 5am. Cloudy, with a low around 57. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 57 °F

    Chance Rain

  • Friday

    Friday: A chance of showers, mainly after 2pm. Partly sunny, with a high near 68. Light north wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 30%.

    High: 68 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly before 10pm. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, mainly after noon. Partly sunny, with a high near 65. Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 72. East wind around 5 mph.
Tonight
Mostly cloudy, with a low around 50. Calm wind.
Wednesday
Increasing clouds, with a high near 70. Southeast wind 3 to 8 mph.
Wednesday Night
Rain likely, mainly after 5am. Patchy fog after 2am. Otherwise, cloudy, with a low around 53. South wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. Patchy fog before 10am. High near 61. Southeast wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
A chance of rain before 2am, then a slight chance of showers between 2am and 5am. Cloudy, with a low around 57. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 68. Light north wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 30%.
Friday Night
A chance of showers, mainly before 10pm. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Saturday
A chance of showers, mainly after noon. Partly sunny, with a high near 65. Chance of precipitation is 30%.
Saturday Night
A slight chance of showers before 10pm. Mostly cloudy, with a low around 50. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 49.
Labor Day
Mostly sunny, with a high near 72.
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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:
2:43 pm EDT Sep 1, 2026
Forecast Valid:
3pm EDT Sep 1, 2026-6pm EDT Sep 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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