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.

64°F

18°C

Humidity 73%
Wind Speed Calm
Barometer 30.00 in (1016.0 mb)
Dewpoint 55°F (13°C)
Visibility NA
Last update 16 Aug 6:56 pm EDT
Extended Forecast for

2 Miles WNW Lily Bay State Park ME

  • Tonight

    Tonight: Rain before 4am, then rain and possibly a thunderstorm between 4am and 5am, then rain after 5am. Areas of smoke before 8pm. Low around 58. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Chance Rain
    then Rain

  • Monday

    Monday: Rain before noon, then showers likely between noon and 2pm, then showers likely and possibly a thunderstorm after 2pm. High near 66. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers

  • Monday Night

    Monday Night: Scattered showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 60. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 72. Calm wind. Chance of precipitation is 30%.

    High: 72 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 58. Calm wind. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 74. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 74 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 56. Light west wind. Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 71. Chance of precipitation is 20%.

    High: 71 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain before 4am, then rain and possibly a thunderstorm between 4am and 5am, then rain after 5am. Areas of smoke before 8pm. Low around 58. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Rain before noon, then showers likely between noon and 2pm, then showers likely and possibly a thunderstorm after 2pm. High near 66. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Scattered showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 60. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 72. Calm wind. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 58. Calm wind. Chance of precipitation is 30%.
Wednesday
A slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 74. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 56. Light west wind. Chance of precipitation is 20%.
Thursday
A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 71. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 53.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 56. Chance of precipitation is 20%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 72. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Lily Bay State Park ME
 45.58°N 69.58°W (Elev. 1106 ft)
Last Update:
4:02 pm EDT Aug 16, 2026
Forecast Valid:
7pm EDT Aug 16, 2026-6pm EDT Aug 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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