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.

69°F

21°C

Humidity 78%
Wind Speed Calm
Barometer 29.82 in (1009.9 mb)
Dewpoint 62°F (17°C)
Visibility NA
Last update 19 Aug 5:56 pm EDT
Extended Forecast for

3 Miles W Dennistown ME

  • Tonight

    Tonight: A 20 percent chance of showers between 9pm and 11pm. Areas of fog after 3am. Otherwise, mostly cloudy, with a low around 58. Calm wind becoming northwest around 5 mph.

    Low: 58 °F

    Slight Chance
    Showers then
    Areas Fog

  • Thursday

    Thursday: Areas of fog before 8am. Otherwise, partly sunny, with a high near 73. West wind around 5 mph.

    High: 73 °F

    Areas Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Patchy fog after 3am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, sunny, with a high near 74. Calm wind becoming west around 5 mph.

    High: 74 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 3pm. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.

    High: 74 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

Detailed Forecast

Tonight
A 20 percent chance of showers between 9pm and 11pm. Areas of fog after 3am. Otherwise, mostly cloudy, with a low around 58. Calm wind becoming northwest around 5 mph.
Thursday
Areas of fog before 8am. Otherwise, partly sunny, with a high near 73. West wind around 5 mph.
Thursday Night
Patchy fog after 3am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 50. Calm wind.
Friday
Patchy fog before 9am. Otherwise, sunny, with a high near 74. Calm wind becoming west around 5 mph.
Friday Night
Partly cloudy, with a low around 51. Calm wind.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Mostly cloudy, with a low around 55.
Sunday
Showers likely, mainly after 3pm. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers after 7am. Partly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Partly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Dennistown ME
 45.68°N 70.36°W (Elev. 1490 ft)
Last Update:
6:00 pm EDT Aug 19, 2026
Forecast Valid:
6pm EDT Aug 19, 2026-6pm EDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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