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.

65°F

18°C

Humidity 100%
Wind Speed Vrbl 3 mph
Barometer 29.71 in (1005.2 mb)
Dewpoint 65°F (18°C)
Visibility NA
Last update 13 Jun 1:56 am EDT
Extended Forecast for

Dennistown ME

  • Overnight

    Overnight: A 20 percent chance of showers before 3am. Areas of fog. Otherwise, cloudy, with a low around 60. West wind around 5 mph.

    Low: 60 °F

    Slight Chance
    Showers and
    Areas Fog

  • Saturday

    Saturday: Areas of fog before 7am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 80. West wind around 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. West wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 81. Southwest wind 5 to 10 mph.

    High: 81 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 8pm, then showers after 8pm. Low around 54. South wind around 5 mph. Chance of precipitation is 100%.

    Low: 54 °F

    Showers

  • Monday

    Monday: A 30 percent chance of showers before 8am. Mostly sunny, with a high near 70.

    High: 70 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers before 3am. Areas of fog. Otherwise, cloudy, with a low around 60. West wind around 5 mph.
Saturday
Areas of fog before 7am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 80. West wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 56. West wind around 5 mph becoming calm in the evening.
Sunday
A 30 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 81. Southwest wind 5 to 10 mph.
Sunday Night
A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 8pm, then showers after 8pm. Low around 54. South wind around 5 mph. Chance of precipitation is 100%.
Monday
A 30 percent chance of showers before 8am. Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Mostly cloudy, with a low around 51.
Thursday
Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
Thursday Night
Showers. Low around 54. Chance of precipitation is 80%.
Juneteenth
Showers likely. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dennistown ME
 45.67°N 70.3°W (Elev. 1198 ft)
Last Update:
2:35 am EDT Jun 13, 2026
Forecast Valid:
2am EDT Jun 13, 2026-6pm EDT Jun 19, 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