National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Wiscasset Airport (KIWI)

Lat: 43.96°NLon: 69.71°WElev: 53ft.

Light Snow Fog/Mist

33°F

1°C

Humidity 85%
Wind Speed E 5 mph
Barometer 29.78 in (1008.6 mb)
Dewpoint 29°F (-2°C)
Visibility 1.00 mi
Wind Chill28°F (-2°C)
Last update 20 Feb 7:53 pm EST
Extended Forecast for

3 Miles ESE South Newcastle ME

Winter Weather Advisory until February 21, 07:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until February 21, 07:00am

    NOW until 7:00am Sat

    Winter Weather Advisory

  • Tonight

    Low: 13 °F

    Snow

  • Saturday

    Saturday: A 30 percent chance of snow, mainly between 7am and 8am. Cloudy through mid morning, then gradual clearing, with a high near 30. North wind 5 to 10 mph.

    High: 30 °F

    Chance Snow
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 14. North wind around 5 mph.

    Low: 14 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 35. North wind around 5 mph becoming east in the afternoon.

    High: 35 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 18. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 18 °F

    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of snow. Cloudy, with a high near 28.

    High: 28 °F

    Chance Snow

  • Monday Night

    Monday Night: A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

Detailed Forecast

Tonight
Snow, mainly before 4am. Low around 13. East wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.
Saturday
A 30 percent chance of snow, mainly between 7am and 8am. Cloudy through mid morning, then gradual clearing, with a high near 30. North wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 14. North wind around 5 mph.
Sunday
Mostly sunny, with a high near 35. North wind around 5 mph becoming east in the afternoon.
Sunday Night
Mostly cloudy, with a low around 18. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
A 50 percent chance of snow. Cloudy, with a high near 28.
Monday Night
A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 14.
Tuesday
Mostly sunny, with a high near 33.
Tuesday Night
Partly cloudy, with a low around 5.
Wednesday
Mostly cloudy, with a high near 36.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 50%.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 18.
Friday
Mostly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE South Newcastle ME
 43.99°N 69.57°W (Elev. 200 ft)
Last Update:
2:04 pm EST Feb 20, 2026
Forecast Valid:
8pm EST Feb 20, 2026-6pm EST Feb 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