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 80%
Wind Speed N 6 mph
Barometer 29.76 in (1007.3 mb)
Dewpoint 56°F (13°C)
Visibility NA
Last update 12 Aug 6:56 am EDT
Extended Forecast for

Monson Junction ME

  • Today

    Today: Increasing clouds, with a high near 79. Northwest wind 5 to 8 mph.

    High: 79 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Light northwest wind.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 78. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 40%.

    High: 78 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 52. West wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. Northwest wind around 7 mph.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. Northwest wind 7 to 9 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 79. Northwest wind 5 to 8 mph.
Tonight
Partly cloudy, with a low around 55. Light northwest wind.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 78. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 40%.
Thursday Night
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 52. West wind 3 to 6 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 75. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 52. Northwest wind around 7 mph.
Saturday
Sunny, with a high near 78. Northwest wind 7 to 9 mph.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
A chance of showers, mainly after 7pm. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 74. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 54. Chance of precipitation is 30%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 80. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Monson Junction ME
 45.22°N 69.46°W (Elev. 472 ft)
Last Update:
5:20 am EDT Aug 12, 2026
Forecast Valid:
6am EDT Aug 12, 2026-6pm EDT Aug 18, 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