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

35°F

2°C

Humidity 50%
Wind Speed Vrbl 7 mph
Barometer 29.92 in (1013.0 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 8 Dec 2:53 am EST
Extended Forecast for

South Newcastle ME

  • Overnight

    Overnight: A 40 percent chance of snow showers, mainly before 4am. Partly cloudy, with a low around 15. Northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 15 °F

    Chance Snow
    Showers

  • Monday

    Monday: Sunny, with a high near 22. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 22 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 1. Northwest wind around 5 mph becoming calm after midnight.

    Low: 1 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 28. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 28 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 19. Southwest wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 19 °F

    Snow Likely

  • Wednesday

    Wednesday: A chance of snow before 9am, then rain. High near 43. Chance of precipitation is 80%.

    High: 43 °F

    Chance
    Rain/Snow
    then Rain

  • Wednesday Night

    Wednesday Night: Rain before 2am, then a chance of snow between 2am and 3am. Low around 26. Chance of precipitation is 80%.

    Low: 26 °F

    Rain then
    Chance
    Rain/Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of snow showers, mainly before 4am. Partly cloudy, with a low around 15. Northwest wind around 15 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 22. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 1. Northwest wind around 5 mph becoming calm after midnight.
Tuesday
Increasing clouds, with a high near 28. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Snow likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 19. Southwest wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Wednesday
A chance of snow before 9am, then rain. High near 43. Chance of precipitation is 80%.
Wednesday Night
Rain before 2am, then a chance of snow between 2am and 3am. Low around 26. Chance of precipitation is 80%.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 32.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
A 40 percent chance of snow. Partly sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 14.
Sunday
Mostly sunny, with a high near 28.
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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:
12:52 am EST Dec 8, 2025
Forecast Valid:
3am EST Dec 8, 2025-6pm EST Dec 14, 2025
 
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