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.

57°F

14°C

Humidity 83%
Wind Speed Calm
Barometer 29.65 in (1004.2 mb)
Dewpoint 52°F (11°C)
Visibility NA
Last update 20 Jun 8:56 pm EDT
Extended Forecast for

3 Miles W Dennistown ME

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. West wind around 5 mph.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 68. Northwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 11pm, then a slight chance of showers between 11pm and 1am. Mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then showers likely after 5pm. Partly sunny, with a high near 73. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly between 7am and 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.

    High: 70 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before 10pm. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

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

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 51. West wind around 5 mph.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 68. Northwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 11pm, then a slight chance of showers between 11pm and 1am. Mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then showers likely after 5pm. Partly sunny, with a high near 73. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.
Monday Night
Showers likely before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 60%.
Tuesday
Showers likely, mainly between 7am and 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
Tuesday Night
A 30 percent chance of showers before 10pm. Mostly cloudy, with a low around 53.
Wednesday
A 30 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
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. Partly sunny, with a high near 72. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Friday
Showers. High near 71. Chance of precipitation is 80%.
Friday Night
Showers likely. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Saturday
Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Dennistown ME
 45.68°N 70.36°W (Elev. 1490 ft)
Last Update:
6:15 pm EDT Jun 20, 2026
Forecast Valid:
9pm EDT Jun 20, 2026-6pm EDT Jun 27, 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