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.

28°F

-2°C

Humidity 96%
Wind Speed NW 15 G 25 mph
Barometer 29.87 in (1013.4 mb)
Dewpoint 27°F (-3°C)
Visibility NA
Wind Chill16°F (-9°C)
Last update 14 Mar 8:56 pm EDT
Extended Forecast for

3 Miles W Katahdin Iron Works State Park ME

  • Tonight

    Tonight: Snow showers likely, mainly before 11pm. Cloudy early, then gradual clearing, with a low around 19. Northwest wind 5 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.

    Low: 19 °F

    Snow Showers
    Likely then
    Scattered
    Snow Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 37. Northwest wind around 6 mph becoming calm in the morning.

    High: 37 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of freezing rain after 3am. Mostly cloudy, with a low around 25. Light southeast wind increasing to 5 to 9 mph in the evening. Chance of precipitation is 20%.

    Low: 25 °F

    Mostly Cloudy
    then Slight
    Chance
    Freezing Rain

  • Monday

    Monday: Freezing rain and sleet before 11am, then rain, freezing rain, and sleet between 11am and noon, then rain after noon. Patchy fog before 2pm, then patchy fog after 3pm. High near 51. Southeast wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New sleet accumulation of less than a half inch possible.

    High: 51 °F

    Wintry Mix
    and Patchy
    Fog then Rain
    and Patchy
    Fog

  • Monday Night

    Monday Night: Rain. Low around 39. Breezy, with a south wind 16 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 39 °F

    Rain and
    Breezy

  • Tuesday

    Tuesday: Rain before 1pm, then a slight chance of snow between 1pm and 3pm. High near 42. Breezy, with a west wind 14 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Rain and
    Breezy then
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 9. West wind around 18 mph, with gusts as high as 34 mph.

    Low: 9 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 25.

    High: 25 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow showers likely, mainly before 11pm. Cloudy early, then gradual clearing, with a low around 19. Northwest wind 5 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.
Sunday
Mostly sunny, with a high near 37. Northwest wind around 6 mph becoming calm in the morning.
Sunday Night
A slight chance of freezing rain after 3am. Mostly cloudy, with a low around 25. Light southeast wind increasing to 5 to 9 mph in the evening. Chance of precipitation is 20%.
Monday
Freezing rain and sleet before 11am, then rain, freezing rain, and sleet between 11am and noon, then rain after noon. Patchy fog before 2pm, then patchy fog after 3pm. High near 51. Southeast wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New sleet accumulation of less than a half inch possible.
Monday Night
Rain. Low around 39. Breezy, with a south wind 16 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tuesday
Rain before 1pm, then a slight chance of snow between 1pm and 3pm. High near 42. Breezy, with a west wind 14 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Partly cloudy, with a low around 9. West wind around 18 mph, with gusts as high as 34 mph.
Wednesday
Sunny, with a high near 25.
Wednesday Night
Mostly cloudy, with a low around 14.
Thursday
A slight chance of snow after 3pm. Mostly cloudy, with a high near 35. Chance of precipitation is 20%.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 24. Chance of precipitation is 20%.
Friday
A chance of snow. Partly sunny, with a high near 37. Chance of precipitation is 30%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Saturday
A chance of snow. Mostly cloudy, with a high near 32. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Katahdin Iron Works State Park ME
 45.44°N 69.21°W (Elev. 899 ft)
Last Update:
7:10 pm EDT Mar 14, 2026
Forecast Valid:
9pm EDT Mar 14, 2026-6pm EDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation