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.

61°F

16°C

Humidity 97%
Wind Speed E 3 mph
Barometer 29.93 in (1013.3 mb)
Dewpoint 60°F (16°C)
Visibility NA
Last update 23 Aug 4:56 am EDT
Extended Forecast for

Greenville Junction ME

  • Overnight

    Overnight: Scattered showers. Cloudy, with a low around 58. Calm wind. Chance of precipitation is 30%.

    Low: 58 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers, mainly after 1pm. Mostly cloudy, with a high near 65. Southeast wind 5 to 9 mph. Chance of precipitation is 30%.

    High: 65 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Scattered showers and thunderstorms before 1am, then a slight chance of showers after 2am. Patchy fog between 9pm and 10pm. Otherwise, mostly cloudy, with a low around 61. Southeast wind around 9 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Scattered
    Showers and
    Patchy Fog
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 70. South wind 7 to 10 mph. Chance of precipitation is 20%.

    High: 70 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. South wind around 6 mph becoming light and variable in the evening.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 65. Light and variable wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 55. West wind 6 to 9 mph. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Scattered showers. Cloudy, with a low around 58. Calm wind. Chance of precipitation is 30%.
Sunday
Scattered showers, mainly after 1pm. Mostly cloudy, with a high near 65. Southeast wind 5 to 9 mph. Chance of precipitation is 30%.
Sunday Night
Scattered showers and thunderstorms before 1am, then a slight chance of showers after 2am. Patchy fog between 9pm and 10pm. Otherwise, mostly cloudy, with a low around 61. Southeast wind around 9 mph. Chance of precipitation is 30%.
Monday
A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 70. South wind 7 to 10 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 55. South wind around 6 mph becoming light and variable in the evening.
Tuesday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 65. Light and variable wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 55. West wind 6 to 9 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
A chance of showers. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 70. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Saturday
A slight chance of showers. Mostly sunny, with a high near 68. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Greenville Junction ME
 45.49°N 69.7°W (Elev. 2142 ft)
Last Update:
5:25 am EDT Aug 23, 2026
Forecast Valid:
5am EDT Aug 23, 2026-6pm EDT Aug 29, 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