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.

66°F

19°C

Humidity 65%
Wind Speed Vrbl 6 mph
Barometer 30.15 in (1021.0 mb)
Dewpoint 54°F (12°C)
Visibility NA
Last update 21 Aug 9:56 am EDT
Extended Forecast for

4 Miles S Mackamp ME

  • Today

    Today: Sunny, with a high near 72. North wind around 5 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 73. Light southeast wind increasing to 5 to 10 mph in the morning.

    High: 73 °F

    Sunny then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after midnight. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 56. East wind around 5 mph. Chance of precipitation is 70%.

    Low: 56 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: A 50 percent chance of showers. Mostly cloudy, with a high near 70. Southeast wind around 5 mph.

    High: 70 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly between 10pm and midnight. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely, mainly before 7pm. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 72. North wind around 5 mph.
Tonight
Mostly clear, with a low around 48. Calm wind.
Saturday
A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 73. Light southeast wind increasing to 5 to 10 mph in the morning.
Saturday Night
Showers likely, mainly after midnight. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 56. East wind around 5 mph. Chance of precipitation is 70%.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 70. Southeast wind around 5 mph.
Sunday Night
Showers likely, mainly between 10pm and midnight. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Monday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Monday Night
Showers likely, mainly before 7pm. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Partly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Mackamp ME
 45.57°N 69.98°W (Elev. 1749 ft)
Last Update:
2:24 am EDT Aug 21, 2026
Forecast Valid:
10am EDT Aug 21, 2026-6pm EDT Aug 27, 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