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.

58°F

14°C

Humidity 100%
Wind Speed Calm
Barometer 29.87 in (1011.1 mb)
Dewpoint 58°F (14°C)
Visibility NA
Last update 19 Aug 4:56 am EDT
Extended Forecast for

Upper Shirley Corner ME

  • Today

    Today: Partly sunny, with a high near 77. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 77 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 74. Northwest wind 5 to 7 mph.

    High: 74 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Cloudy during the early evening, then gradual clearing, with a low around 51. Northwest wind 3 to 5 mph.

    Low: 51 °F

    Gradual
    Clearing

  • Friday

    Friday: Sunny, with a high near 73. Northwest wind 3 to 5 mph.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 74. Calm wind becoming south 5 to 8 mph in the morning.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers, mainly after 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
Partly sunny, with a high near 77. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 57. Calm wind.
Thursday
Partly sunny, with a high near 74. Northwest wind 5 to 7 mph.
Thursday Night
Cloudy during the early evening, then gradual clearing, with a low around 51. Northwest wind 3 to 5 mph.
Friday
Sunny, with a high near 73. Northwest wind 3 to 5 mph.
Friday Night
Mostly clear, with a low around 51. Calm wind.
Saturday
Mostly sunny, with a high near 74. Calm wind becoming south 5 to 8 mph in the morning.
Saturday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Sunday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 72. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Upper Shirley Corner ME
 45.39°N 69.6°W (Elev. 1332 ft)
Last Update:
4:02 am EDT Aug 19, 2026
Forecast Valid:
5am EDT Aug 19, 2026-6pm EDT Aug 25, 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