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 97%
Wind Speed NW 3 mph
Barometer 29.91 in (1012.5 mb)
Dewpoint 57°F (14°C)
Visibility NA
Last update 20 Aug 4:56 am EDT
Extended Forecast for

Shirley Mills ME

  • Today

    Today: Partly sunny, with a high near 76. Northwest wind 3 to 7 mph.

    High: 76 °F

    Partly Sunny

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 52. Light north wind.

    Low: 52 °F

    Gradual
    Clearing

  • Friday

    Friday: Sunny, with a high near 75. Light north wind.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers, mainly after 5pm. Partly sunny, with a high near 72. Calm wind becoming southeast 5 to 8 mph in the morning. Chance of precipitation is 30%.

    High: 72 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, then showers after 11pm. Low around 59. East wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 71. East wind around 6 mph. Chance of precipitation is 50%.

    High: 71 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.

    Low: 59 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 74. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 76. Northwest wind 3 to 7 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 52. Light north wind.
Friday
Sunny, with a high near 75. Light north wind.
Friday Night
Partly cloudy, with a low around 51. Calm wind.
Saturday
A chance of showers, mainly after 5pm. Partly sunny, with a high near 72. Calm wind becoming southeast 5 to 8 mph in the morning. Chance of precipitation is 30%.
Saturday Night
Showers and thunderstorms likely, then showers after 11pm. Low around 59. East wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 71. East wind around 6 mph. Chance of precipitation is 50%.
Sunday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Monday
A chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 74. Chance of precipitation is 40%.
Monday Night
A chance of showers, mainly before 9pm. Partly cloudy, with a low around 52. Chance of precipitation is 30%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 72. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Shirley Mills ME
 45.36°N 69.61°W (Elev. 1198 ft)
Last Update:
4:01 am EDT Aug 20, 2026
Forecast Valid:
5am EDT Aug 20, 2026-6pm EDT Aug 26, 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