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.

52°F

11°C

Humidity 93%
Wind Speed Calm
Barometer 30.17 in (1021.7 mb)
Dewpoint 50°F (10°C)
Visibility NA
Last update 16 Aug 3:56 am EDT
Extended Forecast for

Greenville Junction ME

  • Today

    Today: Partly sunny, with a high near 69. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 69 °F

    Partly Sunny

  • Tonight

    Tonight: Scattered showers, then showers and possibly a thunderstorm after 2am. Low around 58. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Isolated
    Showers then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 63. South wind 10 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 63 °F

    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before 2am. Patchy fog after 11pm. Otherwise, cloudy, with a low around 59. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Showers
    Likely and
    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Partly sunny, with a high near 69. Light north wind. Chance of precipitation is 20%.

    High: 69 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 72. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

    High: 72 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.

    Low: 57 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 68. Chance of precipitation is 20%.

    High: 68 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Today
Partly sunny, with a high near 69. Calm wind becoming south 5 to 7 mph in the afternoon.
Tonight
Scattered showers, then showers and possibly a thunderstorm after 2am. Low around 58. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm. High near 63. South wind 10 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers likely, mainly before 2am. Patchy fog after 11pm. Otherwise, cloudy, with a low around 59. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A slight chance of showers after 2pm. Partly sunny, with a high near 69. Light north wind. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 58. Calm wind.
Wednesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 72. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Thursday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 68. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 54.
Saturday
Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Greenville Junction ME
 45.46°N 69.7°W (Elev. 2021 ft)
Last Update:
4:06 am EDT Aug 16, 2026
Forecast Valid:
4am EDT Aug 16, 2026-6pm EDT Aug 22, 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