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

23°F

-5°C

Humidity 74%
Wind Speed Calm
Barometer 30.01 in (1016.2 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 14 Feb 6:53 pm EST
Extended Forecast for

3 Miles ESE South Newcastle ME

  • Tonight

    Tonight: Partly cloudy, with a low around 10. Calm wind becoming northwest around 5 mph after midnight.

    Low: 10 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 31. Wind chill values as low as zero. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 31 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 14. Calm wind.

    Low: 14 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Mostly cloudy, with a high near 35. Calm wind becoming east around 5 mph.

    High: 35 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain after 3pm, mixing with snow after 4pm. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.

    High: 39 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely, becoming all snow after 2am. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.

    Low: 23 °F

    Rain/Snow
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 10. Calm wind becoming northwest around 5 mph after midnight.
Sunday
Sunny, with a high near 31. Wind chill values as low as zero. Northwest wind around 5 mph becoming calm in the afternoon.
Sunday Night
Increasing clouds, with a low around 14. Calm wind.
Washington's Birthday
Mostly cloudy, with a high near 35. Calm wind becoming east around 5 mph.
Monday Night
Mostly cloudy, with a low around 22. Calm wind.
Tuesday
Mostly cloudy, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 23.
Wednesday
A chance of rain after 3pm, mixing with snow after 4pm. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
Wednesday Night
Rain and snow likely, becoming all snow after 2am. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.
Thursday
A chance of snow before 1pm, then a chance of rain and snow between 1pm and 4pm, then a chance of snow after 4pm. Mostly cloudy, with a high near 38. Chance of precipitation is 40%.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 20.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 40%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 35.
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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:
7:42 pm EST Feb 14, 2026
Forecast Valid:
7pm EST Feb 14, 2026-6pm EST Feb 21, 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