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.

Fair

4°F

-16°C

Humidity 80%
Wind Speed Calm
Barometer 30.63 in (1037.4 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Last update 3 Mar 12:53 am EST
Extended Forecast for

3 Miles ESE South Newcastle ME

  • Overnight

    Overnight: Mostly clear, with a low around 10. Calm wind becoming southwest around 5 mph.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 35. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 35 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow, mainly before 5am. Low around 24. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 24 °F

    Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow before 8am. Partly sunny, then gradually becoming sunny, with a high near 47. Calm wind becoming west around 5 mph.

    High: 47 °F

    Chance Snow
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of snow after 11pm. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow

  • Friday

    Friday: Snow likely, mainly before 2pm. Cloudy, with a high near 35. Chance of precipitation is 70%.

    High: 35 °F

    Snow Likely

  • Friday Night

    Friday Night: A chance of snow before 1am, then a chance of rain and snow between 1am and 4am, then a chance of rain after 4am. Cloudy, with a low around 25. Chance of precipitation is 40%.

    Low: 25 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 10. Calm wind becoming southwest around 5 mph.
Tuesday
Increasing clouds, with a high near 35. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Snow, mainly before 5am. Low around 24. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday
A 30 percent chance of snow before 8am. Partly sunny, then gradually becoming sunny, with a high near 47. Calm wind becoming west around 5 mph.
Wednesday Night
Partly cloudy, with a low around 23. Calm wind.
Thursday
Mostly sunny, with a high near 44.
Thursday Night
A 50 percent chance of snow after 11pm. Mostly cloudy, with a low around 24.
Friday
Snow likely, mainly before 2pm. Cloudy, with a high near 35. Chance of precipitation is 70%.
Friday Night
A chance of snow before 1am, then a chance of rain and snow between 1am and 4am, then a chance of rain after 4am. Cloudy, with a low around 25. Chance of precipitation is 40%.
Saturday
A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 45.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 51.
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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:
6:42 pm EST Mar 2, 2026
Forecast Valid:
1am EST Mar 3, 2026-6pm EDT Mar 9, 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