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.

A Few Clouds

22°F

-6°C

Humidity 85%
Wind Speed Calm
Barometer 30.05 in (1017.6 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 20 Feb 7:53 am EST
Extended Forecast for

3 Miles ESE South Newcastle ME

Winter Weather Advisory February 20, 06:00pm until February 21, 07:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Mostly cloudy, with a high near 36. Calm wind becoming southeast around 5 mph.

    High: 36 °F

    Mostly Cloudy

  • Tonight

    Tonight: Snow, mainly before 5am. Low around 13. East wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 13 °F

    Snow

  • Saturday

    Saturday: A 30 percent chance of snow, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 30. North wind around 5 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 36. Northeast wind around 5 mph.

    High: 36 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 31.

    High: 31 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 36. Calm wind becoming southeast around 5 mph.
Tonight
Snow, mainly before 5am. Low around 13. East wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Saturday
A 30 percent chance of snow, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 30. North wind around 5 mph.
Saturday Night
Mostly clear, with a low around 14. North wind around 5 mph.
Sunday
Mostly sunny, with a high near 36. Northeast wind around 5 mph.
Sunday Night
Mostly cloudy, with a low around 18.
Monday
Mostly cloudy, with a high near 31.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
Mostly sunny, with a high near 34.
Tuesday Night
Partly cloudy, with a low around 9.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.
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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:
6:21 am EST Feb 20, 2026
Forecast Valid:
8am EST Feb 20, 2026-6pm EST Feb 26, 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