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.

65°F

18°C

Humidity 51%
Wind Speed Vrbl 3 mph
Barometer 30.09 in (1019.2 mb)
Dewpoint 46°F (8°C)
Visibility NA
Last update 1 Sep 11:56 am EDT
Extended Forecast for

4 Miles WNW Lily Bay State Park ME

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 71. Calm wind becoming southeast around 5 mph.

    High: 71 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. Southeast wind 3 to 5 mph.

    Low: 52 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 67. Southeast wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 67 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 2am. Cloudy, with a low around 55. Southeast wind 11 to 13 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Chance Rain
    then Rain
    Likely

  • Thursday

    Thursday: Rain, with thunderstorms also possible after 1pm. High near 64. Southeast wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 64 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm before 2am, then a slight chance of rain between 2am and 3am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 55. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Rain Likely
    then Chance
    Rain

  • Friday

    Friday: 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. Partly sunny, with a high near 69. North wind 3 to 7 mph. Chance of precipitation is 60%.

    High: 69 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm, then a chance of showers after 8pm. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

  • Saturday

    Saturday: A slight chance of showers before 2pm. Partly sunny, with a high near 66. Chance of precipitation is 20%.

    High: 66 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 71. Calm wind becoming southeast around 5 mph.
Tonight
Mostly cloudy, with a low around 52. Southeast wind 3 to 5 mph.
Wednesday
Increasing clouds, with a high near 67. Southeast wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Rain likely, mainly after 2am. Cloudy, with a low around 55. Southeast wind 11 to 13 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain, with thunderstorms also possible after 1pm. High near 64. Southeast wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely and possibly a thunderstorm before 2am, then a slight chance of rain between 2am and 3am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 55. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
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. Partly sunny, with a high near 69. North wind 3 to 7 mph. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm, then a chance of showers after 8pm. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Saturday
A slight chance of showers before 2pm. Partly sunny, with a high near 66. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 50.
Labor Day
A slight chance of showers. Mostly sunny, with a high near 72. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Lily Bay State Park ME
 45.59°N 69.64°W (Elev. 1027 ft)
Last Update:
4:02 am EDT Sep 1, 2026
Forecast Valid:
12pm EDT Sep 1, 2026-6pm EDT Sep 7, 2026
 
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Additional Resources

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Chance of Precipitation