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.

63°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 30.05 in (1017.3 mb)
Dewpoint 63°F (17°C)
Visibility NA
Last update 14 Jul 1:56 am EDT
Extended Forecast for

3 Miles W Katahdin Iron Works State Park ME

  • Overnight

    Overnight: Mostly cloudy, with a low around 62. South wind around 7 mph.

    Low: 62 °F

    Mostly Cloudy

  • Monday

    Monday: Scattered showers before 11am, then scattered showers and thunderstorms between 11am and 5pm, then showers likely and possibly a thunderstorm after 5pm. Cloudy, with a high near 73. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Scattered showers and thunderstorms before 8pm. Mostly cloudy, with a low around 64. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 64 °F

    Scattered
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 85. Calm wind becoming west around 6 mph in the afternoon.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, sunny and hot, with a high near 88. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 88 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 67. South wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.

    High: 83 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 66. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

Detailed Forecast

Overnight
Mostly cloudy, with a low around 62. South wind around 7 mph.
Monday
Scattered showers before 11am, then scattered showers and thunderstorms between 11am and 5pm, then showers likely and possibly a thunderstorm after 5pm. Cloudy, with a high near 73. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Scattered showers and thunderstorms before 8pm. Mostly cloudy, with a low around 64. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 85. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 65. Calm wind.
Wednesday
Patchy fog before 7am. Otherwise, sunny and hot, with a high near 88. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 67. South wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Friday
A chance of showers, with thunderstorms also possible after 8am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 77. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 30%.
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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:
1:44 am EDT Jul 14, 2025
Forecast Valid:
2am EDT Jul 14, 2025-6pm EDT Jul 20, 2025
 
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