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.

57°F

14°C

Humidity 93%
Wind Speed SE 7 mph
Barometer 29.91 in (1012.8 mb)
Dewpoint 55°F (13°C)
Visibility NA
Last update 17 Aug 12:56 am EDT
Extended Forecast for

5 Miles NNE Katahdin Iron Works State Park ME

  • Overnight

    Overnight: Rain likely, mainly after 2am. Cloudy, with a low around 57. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Rain Likely

  • Monday

    Monday: Rain before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. High near 63. South wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 63 °F

    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before 9pm. Patchy fog. Otherwise, cloudy, with a low around 59. South wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 59 °F

    Showers
    Likely and
    Patchy Fog

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 68. Light and variable wind. Chance of precipitation is 40%.

    High: 68 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 59. Light and variable wind. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 71. Southwest wind 3 to 7 mph. Chance of precipitation is 20%.

    High: 71 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 3am. Partly cloudy, with a low around 57. West wind around 7 mph. Chance of precipitation is 20%.

    Low: 57 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 69. Chance of precipitation is 20%.

    High: 69 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Overnight
Rain likely, mainly after 2am. Cloudy, with a low around 57. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. High near 63. South wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers likely, mainly before 9pm. Patchy fog. Otherwise, cloudy, with a low around 59. South wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 68. Light and variable wind. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 59. Light and variable wind. Chance of precipitation is 30%.
Wednesday
A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 71. Southwest wind 3 to 7 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 3am. Partly cloudy, with a low around 57. West wind around 7 mph. Chance of precipitation is 20%.
Thursday
A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 69. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 53.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 69. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Katahdin Iron Works State Park ME
 45.52°N 69.13°W (Elev. 1857 ft)
Last Update:
12:27 am EDT Aug 17, 2026
Forecast Valid:
1am EDT Aug 17, 2026-6pm EDT Aug 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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