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 97%
Wind Speed SE 3 mph
Barometer 29.81 in (1010.0 mb)
Dewpoint 44°F (7°C)
Visibility NA
Last update 12 Oct 2:56 am EDT
Extended Forecast for

4 Miles WSW Katahdin Iron Works State Park ME

  • Overnight

    Overnight: A slight chance of rain. Cloudy, with a low around 46. West wind around 5 mph. Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    Rain

  • Columbus Day

    Columbus Day: Scattered showers, mainly after 2pm. Mostly cloudy, with a high near 64. West wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 64 °F

    Mostly Cloudy
    then
    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers, mainly before 7pm. Mostly cloudy, with a low around 34. East wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 34 °F

    Scattered
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Rain, mainly after 11am. High near 42. East wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 42 °F

    Rain Likely
    then Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 39. East wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 39 °F

    Rain

  • Wednesday

    Wednesday: A chance of rain, mainly before 11am. Mostly cloudy, with a high near 51. Northeast wind 6 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Chance Rain
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43. Northwest wind 5 to 13 mph, with gusts as high as 23 mph.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of rain. Cloudy, with a low around 46. West wind around 5 mph. Chance of precipitation is 20%.
Columbus Day
Scattered showers, mainly after 2pm. Mostly cloudy, with a high near 64. West wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Monday Night
Scattered showers, mainly before 7pm. Mostly cloudy, with a low around 34. East wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tuesday
Rain, mainly after 11am. High near 42. East wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
Rain. Low around 39. East wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday
A chance of rain, mainly before 11am. Mostly cloudy, with a high near 51. Northeast wind 6 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 43. Northwest wind 5 to 13 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Rain and snow likely before 11am, then rain. High near 46. Chance of precipitation is 80%.
Friday Night
Rain. Low around 36. Breezy. Chance of precipitation is 80%.
Saturday
A chance of rain and snow. Partly sunny, with a high near 41. Breezy. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 28. Blustery.
Sunday
Sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Katahdin Iron Works State Park ME
 45.43°N 69.25°W (Elev. 817 ft)
Last Update:
2:54 am EDT Oct 12, 2026
Forecast Valid:
3am EDT Oct 12, 2026-6pm EDT Oct 18, 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