National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Greenville (KGNR)

Lat: 45.46°NLon: 69.55°WElev: 1394ft.

70°F

21°C

Humidity 82%
Wind Speed Calm
Barometer 30.16 in (1020.6 mb)
Dewpoint 64°F (18°C)
Visibility NA
Last update 11 Aug 1:56 am EDT
Extended Forecast for

Dennistown ME

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Patchy Fog

  • Monday

    Monday: Isolated showers after 2pm. Sunny and hot, with a high near 91. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.

    High: 91 °F

    Sunny then
    Isolated
    Showers

  • Monday Night

    Monday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92. Calm wind becoming southwest around 5 mph.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 7am. Otherwise, mostly sunny and hot, with a high near 91. Chance of precipitation is 40%.

    High: 91 °F

    Patchy Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers before 2pm. Mostly sunny, with a high near 79.

    High: 79 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly clear, with a low around 61. Calm wind.
Monday
Isolated showers after 2pm. Sunny and hot, with a high near 91. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.
Monday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 63. Calm wind.
Tuesday
Sunny and hot, with a high near 92. Calm wind becoming southwest around 5 mph.
Tuesday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 61. Calm wind.
Wednesday
A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 7am. Otherwise, mostly sunny and hot, with a high near 91. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Thursday
A 30 percent chance of showers before 2pm. Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dennistown ME
 45.67°N 70.3°W (Elev. 1198 ft)
Last Update:
1:59 am EDT Aug 11, 2025
Forecast Valid:
2am EDT Aug 11, 2025-6pm EDT Aug 17, 2025
 
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