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.

62°F

17°C

Humidity 90%
Wind Speed E 6 mph
Barometer 30.02 in (1016.3 mb)
Dewpoint 59°F (15°C)
Visibility NA
Last update 23 Aug 12:56 am EDT
Extended Forecast for

10 Miles NNW Dennistown ME

  • Overnight

    Overnight: A 30 percent chance of showers, mainly after 5am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 58. East wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 58 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 71. East wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Southeast wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 72. Southwest wind around 5 mph. Chance of precipitation is 80%.

    High: 72 °F

    Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely then
    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.

    Low: 54 °F

    Showers
    Likely then
    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly after 5am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 58. East wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 71. East wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Southeast wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 72. Southwest wind around 5 mph. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 60%.
Tuesday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Wednesday
Partly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Mostly cloudy, with a low around 58.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNW Dennistown ME
 45.81°N 70.38°W (Elev. 1972 ft)
Last Update:
6:59 pm EDT Aug 22, 2026
Forecast Valid:
1am EDT Aug 23, 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