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

Wiscasset Airport (KIWI)

Lat: 43.96°NLon: 69.71°WElev: 53ft.

Partly Cloudy

29°F

-2°C

Humidity 85%
Wind Speed Calm
Barometer 30.17 in (1021.6 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 17 Feb 8:53 am EST
Extended Forecast for

South Newcastle ME

  • Today

    Today: A 30 percent chance of snow showers, mainly after 4pm. Mostly cloudy, with a high near 37. Calm wind becoming south around 5 mph.

    High: 37 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: A 30 percent chance of snow showers before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 39. Calm wind becoming northwest around 5 mph.

    High: 39 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of snow between 9pm and 1am. Mostly cloudy, with a low around 16. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 30%.

    Low: 16 °F

    Chance Snow

  • Thursday

    Thursday: Sunny, with a high near 38. Northwest wind around 5 mph.

    High: 38 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of snow after 4pm. Partly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 16.

    Low: 16 °F

    Chance Snow

  • Saturday

    Saturday: A 40 percent chance of snow. Mostly cloudy, with a high near 32.

    High: 32 °F

    Chance Snow

Detailed Forecast

Today
A 30 percent chance of snow showers, mainly after 4pm. Mostly cloudy, with a high near 37. Calm wind becoming south around 5 mph.
Tonight
A 30 percent chance of snow showers before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 21. Calm wind.
Wednesday
Partly sunny, with a high near 39. Calm wind becoming northwest around 5 mph.
Wednesday Night
A chance of snow between 9pm and 1am. Mostly cloudy, with a low around 16. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 38. Northwest wind around 5 mph.
Thursday Night
Mostly clear, with a low around 16.
Friday
A 30 percent chance of snow after 4pm. Partly sunny, with a high near 35.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 16.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 32.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 16.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 33.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Monday
A 30 percent chance of snow. Mostly cloudy, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Newcastle ME
 44.01°N 69.6°W (Elev. 16 ft)
Last Update:
6:28 am EST Feb 17, 2026
Forecast Valid:
9am EST Feb 17, 2026-6pm EST Feb 23, 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