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.

61°F

16°C

Humidity 81%
Wind Speed N 6 mph
Barometer 30.17 in (1021.6 mb)
Dewpoint 55°F (13°C)
Visibility NA
Last update 12 Jul 6:56 am EDT
Extended Forecast for

3 Miles WSW Katahdin Iron Works State Park ME

  • Today

    Today: Sunny, with a high near 80. Calm wind.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 80. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 80 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 65. West wind 3 to 5 mph.

    Low: 65 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny and hot, with a high near 88. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 88 °F

    Hot

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 68. West wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. West wind 10 to 16 mph, with gusts as high as 29 mph.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 11pm and midnight. Mostly clear, with a low around 61. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 80. Calm wind.
Tonight
Partly cloudy, with a low around 56. Calm wind.
Monday
Partly sunny, with a high near 80. Calm wind becoming southwest 5 to 8 mph in the morning.
Monday Night
Mostly cloudy, with a low around 65. West wind 3 to 5 mph.
Tuesday
Partly sunny and hot, with a high near 88. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.
Tuesday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 68. West wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly sunny, with a high near 82. West wind 10 to 16 mph, with gusts as high as 29 mph.
Wednesday Night
A slight chance of showers between 11pm and midnight. Mostly clear, with a low around 61. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 56.
Saturday
A slight chance of showers. Mostly sunny, with a high near 77. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Katahdin Iron Works State Park ME
 45.42°N 69.22°W (Elev. 932 ft)
Last Update:
7:16 am EDT Jul 12, 2026
Forecast Valid:
7am EDT Jul 12, 2026-6pm EDT Jul 18, 2026
 
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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