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.

6°F

-14°C

Humidity 76%
Wind Speed NW 9 mph
Barometer 29.99 in (1019.4 mb)
Dewpoint 0°F (-18°C)
Visibility NA
Wind Chill-8°F (-22°C)
Last update 27 Dec 11:56 am EST
Extended Forecast for

4 Miles S Mackamp ME

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 13. Wind chill values as low as -1. Northwest wind around 5 mph.

    High: 13 °F

    Mostly Sunny

  • Tonight

    Tonight: Clear, with a low around 3. Wind chill values as low as -9. Northwest wind 5 to 10 mph.

    Low: 3 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 23. Wind chill values as low as -9. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 23 °F

    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow after 5am. Mostly cloudy, with a low around 11. West wind around 5 mph becoming calm.

    Low: 11 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday

    Monday: Snow and freezing rain likely before 9am, then snow, freezing rain, and sleet between 9am and 4pm, then freezing rain and sleet after 4pm. High near 26. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. Little or no snow and sleet accumulation expected.

    High: 26 °F

    Wintry Mix

  • Monday Night

    Monday Night: Snow, mainly before midnight. Low around 14. Chance of precipitation is 80%.

    Low: 14 °F

    Snow then
    Chance Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 19.

    High: 19 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 3.

    Low: 3 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 16.

    High: 16 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 13. Wind chill values as low as -1. Northwest wind around 5 mph.
Tonight
Clear, with a low around 3. Wind chill values as low as -9. Northwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 23. Wind chill values as low as -9. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
A 30 percent chance of snow after 5am. Mostly cloudy, with a low around 11. West wind around 5 mph becoming calm.
Monday
Snow and freezing rain likely before 9am, then snow, freezing rain, and sleet between 9am and 4pm, then freezing rain and sleet after 4pm. High near 26. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. Little or no snow and sleet accumulation expected.
Monday Night
Snow, mainly before midnight. Low around 14. Chance of precipitation is 80%.
Tuesday
Mostly cloudy, with a high near 19.
Tuesday Night
Mostly cloudy, with a low around 3.
Wednesday
Partly sunny, with a high near 16.
Wednesday Night
A chance of snow between 9pm and 2am. Mostly cloudy, with a low around 1. Chance of precipitation is 30%.
New Year's Day
Mostly sunny, with a high near 11.
Thursday Night
Partly cloudy, with a low around -1.
Friday
Partly sunny and cold, with a high near 10.
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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:
6:09 am EST Dec 27, 2025
Forecast Valid:
12pm EST Dec 27, 2025-6pm EST Jan 2, 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