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.

37°F

3°C

Humidity 96%
Wind Speed Vrbl 3 mph
Barometer 29.83 in (1011.9 mb)
Dewpoint 36°F (2°C)
Visibility NA
Last update 2 May 4:56 pm EDT
Extended Forecast for

Greenville Junction ME

  • This Afternoon

    This Afternoon: Isolated showers. Mostly cloudy, with a high near 42. Southeast wind around 5 mph. Chance of precipitation is 20%.

    High: 42 °F

    Isolated
    Showers

  • Tonight

    Tonight: A chance of rain between 2am and 4am. Mostly cloudy, with a low around 35. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain, mainly before 3pm. Mostly cloudy, with a high near 45. North wind 8 to 13 mph. Chance of precipitation is 40%.

    High: 45 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming clear, with a low around 34. Northwest wind 11 to 15 mph.

    Low: 34 °F

    Decreasing
    Clouds

  • Monday

    Monday: A chance of showers, mainly after 10am. Partly sunny, with a high near 50. Southwest wind 10 to 14 mph. Chance of precipitation is 30%.

    High: 50 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 9pm. Partly cloudy, with a low around 42. South wind 9 to 11 mph. Chance of precipitation is 20%.

    Low: 42 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 66. Breezy, with a south wind 15 to 20 mph. Chance of precipitation is 30%.

    High: 66 °F

    Mostly Sunny
    then Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.

    Low: 49 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 9am. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.

    High: 55 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Isolated showers. Mostly cloudy, with a high near 42. Southeast wind around 5 mph. Chance of precipitation is 20%.
Tonight
A chance of rain between 2am and 4am. Mostly cloudy, with a low around 35. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of rain, mainly before 3pm. Mostly cloudy, with a high near 45. North wind 8 to 13 mph. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, then gradually becoming clear, with a low around 34. Northwest wind 11 to 15 mph.
Monday
A chance of showers, mainly after 10am. Partly sunny, with a high near 50. Southwest wind 10 to 14 mph. Chance of precipitation is 30%.
Monday Night
A slight chance of showers before 9pm. Partly cloudy, with a low around 42. South wind 9 to 11 mph. Chance of precipitation is 20%.
Tuesday
A chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 66. Breezy, with a south wind 15 to 20 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.
Wednesday
Showers likely, mainly after 9am. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Thursday
Showers likely. Mostly cloudy, with a high near 51. Chance of precipitation is 70%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Friday
A chance of showers. Partly sunny, with a high near 47. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 36.
Saturday
A slight chance of showers. Mostly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greenville Junction ME
 45.49°N 69.7°W (Elev. 2142 ft)
Last Update:
4:02 pm EDT May 2, 2026
Forecast Valid:
5pm EDT May 2, 2026-6pm EDT May 9, 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