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.

45°F

7°C

Humidity 63%
Wind Speed S 12 G 25 mph
Barometer 29.93 in (1014.6 mb)
Dewpoint 33°F (1°C)
Visibility NA
Wind Chill39°F (4°C)
Last update 18 Apr 9:56 pm EDT
Extended Forecast for

3 Miles W Katahdin Iron Works State Park ME

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. South wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain before 5pm, then rain, possibly mixed with snow. Temperature falling to around 37 by 5pm. South wind around 7 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 43 °F⇓

    Rain Likely
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: A slight chance of snow before 7pm, then snow, possibly mixed with sleet between 7pm and 8pm, then snow likely after 8pm. Low around 27. Northwest wind 6 to 13 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than a half inch possible.

    Low: 27 °F

    Snow/Sleet
    then Chance
    Snow

  • Monday

    Monday: Mostly sunny, with a high near 38. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.

    High: 38 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 22. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 22 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 41. Calm wind.

    High: 41 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 28. Light south wind. Chance of precipitation is 20%.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: A chance of snow before 11am, then a chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.

    High: 42 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 2am. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 43. South wind 9 to 11 mph, with gusts as high as 22 mph.
Sunday
Rain before 5pm, then rain, possibly mixed with snow. Temperature falling to around 37 by 5pm. South wind around 7 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Sunday Night
A slight chance of snow before 7pm, then snow, possibly mixed with sleet between 7pm and 8pm, then snow likely after 8pm. Low around 27. Northwest wind 6 to 13 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than a half inch possible.
Monday
Mostly sunny, with a high near 38. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 22. Northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 41. Calm wind.
Tuesday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 28. Light south wind. Chance of precipitation is 20%.
Wednesday
A chance of snow before 11am, then a chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
Wednesday Night
A slight chance of rain before 2am. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 48.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 33.
Saturday
A slight chance of rain. Mostly sunny, with a high near 53. Chance of precipitation is 20%.
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Forecast Area
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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:
10:43 pm EDT Apr 18, 2026
Forecast Valid:
10pm EDT Apr 18, 2026-6pm EDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation