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 45%
Wind Speed N 9 mph
Barometer 30.12 in (1020.0 mb)
Dewpoint 47°F (8°C)
Visibility NA
Last update 15 Aug 1:56 pm EDT
Extended Forecast for

Monson ME

  • This Afternoon

    This Afternoon: Sunny, with a high near 74. Northwest wind around 8 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. Northwest wind around 6 mph.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 75. Calm wind becoming south around 6 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Rain likely, mainly after 2am. Patchy fog after 5am. Otherwise, cloudy, with a low around 57. South wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Chance Rain
    then Rain
    Likely and
    Patchy Fog

  • Monday

    Monday: Rain, with thunderstorms also possible after 2pm. Patchy fog before 8am. High near 67. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 67 °F

    Rain and
    Patchy Fog

  • Monday Night

    Monday Night: A chance of rain, mainly before 9pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 57. Light and variable wind. Chance of precipitation is 30%.

    Low: 57 °F

    Chance Rain
    and Patchy
    Fog then
    Patchy Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76. Northwest wind 3 to 5 mph.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after 3pm. Mostly sunny, with a high near 80. Chance of precipitation is 20%.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 74. Northwest wind around 8 mph.
Tonight
Mostly clear, with a low around 51. Northwest wind around 6 mph.
Sunday
Mostly sunny, with a high near 75. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Rain likely, mainly after 2am. Patchy fog after 5am. Otherwise, cloudy, with a low around 57. South wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain, with thunderstorms also possible after 2pm. Patchy fog before 8am. High near 67. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A chance of rain, mainly before 9pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 57. Light and variable wind. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 76. Northwest wind 3 to 5 mph.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
A slight chance of showers after 3pm. Mostly sunny, with a high near 80. Chance of precipitation is 20%.
Wednesday Night
A chance of showers, mainly after midnight. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 76. Chance of precipitation is 50%.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 54. Chance of precipitation is 20%.
Friday
Sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Monson ME
 45.31°N 69.53°W (Elev. 997 ft)
Last Update:
7:36 am EDT Aug 15, 2026
Forecast Valid:
2pm EDT Aug 15, 2026-6pm EDT Aug 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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