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.

Overcast

18°F

-8°C

Humidity 81%
Wind Speed Calm
Barometer 30.15 in (1020.9 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Last update 17 Feb 5:53 am EST
Extended Forecast for

3 Miles ESE South Newcastle ME

  • Today

    Today: A slight chance of snow showers between 7am and 5pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 37. Calm wind becoming south around 5 mph. Chance of precipitation is 30%.

    High: 37 °F

    Slight Chance
    Snow Showers
    then Chance
    Rain/Snow

  • Tonight

    Tonight: A chance of rain and snow showers before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 22. Calm wind. Chance of precipitation is 30%.

    Low: 22 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 38. Calm wind becoming northwest around 5 mph.

    High: 38 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of snow between 9pm and 1am. Mostly cloudy, with a low around 17. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 30%.

    Low: 17 °F

    Chance Snow

  • Thursday

    Thursday: Sunny, with a high near 38. North 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 17.

    Low: 17 °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 slight chance of snow showers between 7am and 5pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 37. Calm wind becoming south around 5 mph. Chance of precipitation is 30%.
Tonight
A chance of rain and snow showers before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 22. Calm wind. Chance of precipitation is 30%.
Wednesday
Mostly cloudy, with a high near 38. Calm wind becoming northwest around 5 mph.
Wednesday Night
A chance of snow between 9pm and 1am. Mostly cloudy, with a low around 17. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 38. North 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 17.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 32.
Saturday Night
A 30 percent chance of snow before 4am. 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 32.
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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:
1:35 am EST Feb 17, 2026
Forecast Valid:
6am 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