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.

67°F

19°C

Humidity 93%
Wind Speed S 5 mph
Barometer 29.83 in (1010.1 mb)
Dewpoint 65°F (18°C)
Visibility NA
Last update 17 Aug 4:56 pm EDT
Extended Forecast for

3 Miles SSW Lily Bay State Park ME

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 67. South wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 2am, then scattered showers. Patchy fog after 10pm. Low around 61. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers and
    Patchy Fog
    then
    Scattered
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Scattered showers, with thunderstorms also possible after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 72. Light north wind. Chance of precipitation is 40%.

    High: 72 °F

    Scattered
    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Isolated showers before 2am. Patchy fog. Otherwise, mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 20%.

    Low: 60 °F

    Isolated
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Partly sunny, with a high near 74. Calm wind becoming west around 5 mph in the afternoon.

    High: 74 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Mostly sunny, with a high near 72. Northwest wind 5 to 7 mph.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 67. South wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 2am, then scattered showers. Patchy fog after 10pm. Low around 61. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Scattered showers, with thunderstorms also possible after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 72. Light north wind. Chance of precipitation is 40%.
Tuesday Night
Isolated showers before 2am. Patchy fog. Otherwise, mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 74. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 58. Calm wind.
Thursday
Mostly sunny, with a high near 72. Northwest wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
A chance of showers. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Monday
Showers likely. Mostly cloudy, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Lily Bay State Park ME
 45.53°N 69.56°W (Elev. 1056 ft)
Last Update:
4:02 pm EDT Aug 17, 2026
Forecast Valid:
5pm EDT Aug 17, 2026-6pm EDT Aug 24, 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