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 Calm
Barometer 29.79 in (1008.8 mb)
Dewpoint 59°F (15°C)
Visibility NA
Last update 13 Aug 6:56 pm EDT
Extended Forecast for

Dennistown ME

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 50. West wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46. Northwest wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 72. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers. Mostly cloudy, with a high near 73.

    High: 73 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers before 10pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 50. West wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 69. Northwest wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 46. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 72. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 47. Calm wind.
Sunday
Partly sunny, with a high near 74.
Sunday Night
A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 51.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 73.
Monday Night
A 30 percent chance of showers before 10pm. Mostly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55.
Thursday
Showers likely. Partly sunny, with a high near 75. 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:
6:45 pm EDT Aug 13, 2026
Forecast Valid:
7pm EDT Aug 13, 2026-6pm EDT Aug 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation