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.

43°F

6°C

Humidity 93%
Wind Speed SE 12 G 22 mph
Barometer 30.16 in (1022.1 mb)
Dewpoint 41°F (5°C)
Visibility NA
Wind Chill37°F (3°C)
Last update 18 Apr 8:56 am EDT
Extended Forecast for

3 Miles N Onawa ME

  • Today

    Today: Mostly sunny, with a high near 53. South wind 11 to 18 mph.

    High: 53 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 37. Breezy, with a south wind 17 to 21 mph.

    Low: 37 °F

    Increasing
    Clouds and
    Breezy

  • Sunday

    Sunday: Rain before 4pm, then snow, possibly mixed with rain. Patchy fog before 3pm. High near 41. South wind 9 to 14 mph becoming west in the afternoon. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain and
    Patchy Fog
    then
    Rain/Snow and
    Areas Fog

  • Sunday Night

    Sunday Night: Snow, possibly mixed with rain before 9pm, then a chance of snow between 9pm and 3am. Low around 26. Northwest wind 15 to 17 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Rain/Snow
    then Slight
    Chance Snow

  • Monday

    Monday: Mostly sunny, with a high near 35. West wind 14 to 16 mph.

    High: 35 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 20. Northwest wind 9 to 14 mph.

    Low: 20 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 39. Northwest wind around 8 mph becoming southwest in the afternoon.

    High: 39 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow after 11pm. Mostly cloudy, with a low around 28. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow. Partly sunny, with a high near 41. Chance of precipitation is 30%.

    High: 41 °F

    Chance Snow

Detailed Forecast

Today
Mostly sunny, with a high near 53. South wind 11 to 18 mph.
Tonight
Increasing clouds, with a low around 37. Breezy, with a south wind 17 to 21 mph.
Sunday
Rain before 4pm, then snow, possibly mixed with rain. Patchy fog before 3pm. High near 41. South wind 9 to 14 mph becoming west in the afternoon. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow, possibly mixed with rain before 9pm, then a chance of snow between 9pm and 3am. Low around 26. Northwest wind 15 to 17 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Monday
Mostly sunny, with a high near 35. West wind 14 to 16 mph.
Monday Night
Mostly clear, with a low around 20. Northwest wind 9 to 14 mph.
Tuesday
Sunny, with a high near 39. Northwest wind around 8 mph becoming southwest in the afternoon.
Tuesday Night
A slight chance of snow after 11pm. Mostly cloudy, with a low around 28. Chance of precipitation is 20%.
Wednesday
A chance of snow. Partly sunny, with a high near 41. Chance of precipitation is 30%.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 28. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 43.
Thursday Night
Partly cloudy, with a low around 30.
Friday
A slight chance of rain and snow. Mostly sunny, with a high near 44. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Onawa ME
 45.42°N 69.37°W (Elev. 1900 ft)
Last Update:
4:02 am EDT Apr 18, 2026
Forecast Valid:
9am EDT Apr 18, 2026-6pm EDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation