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

Hazardous Weather Conditions

Current conditions at

Wiscasset Airport (KIWI)

Lat: 43.96°NLon: 69.71°WElev: 53ft.

Fair

24°F

-4°C

Humidity 71%
Wind Speed SW 8 G 20 mph
Barometer 29.92 in (1013.4 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 20 Jan 1:53 am EST
Extended Forecast for

South Newcastle ME

  • Overnight

    Overnight: Mostly clear, with a low around 14. Southwest wind around 10 mph, with gusts as high as 25 mph.

    Low: 14 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 23. West wind around 10 mph, with gusts as high as 20 mph.

    High: 23 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 8. Wind chill values as low as -1. West wind around 5 mph.

    Low: 8 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 30. Wind chill values as low as zero. Southwest wind 5 to 10 mph.

    High: 30 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Snow likely, mainly between 9pm and 3am. Cloudy, with a low around 20. Southwest wind around 5 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 20 °F

    Snow Likely

  • Thursday

    Thursday: A 30 percent chance of snow before 9am. Mostly sunny, with a high near 38.

    High: 38 °F

    Chance Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -4.

    Low: -4 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 14. Southwest wind around 10 mph, with gusts as high as 25 mph.
Tuesday
Increasing clouds, with a high near 23. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 8. Wind chill values as low as -1. West wind around 5 mph.
Wednesday
Increasing clouds, with a high near 30. Wind chill values as low as zero. Southwest wind 5 to 10 mph.
Wednesday Night
Snow likely, mainly between 9pm and 3am. Cloudy, with a low around 20. Southwest wind around 5 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Thursday
A 30 percent chance of snow before 9am. Mostly sunny, with a high near 38.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Partly sunny, with a high near 26.
Friday Night
Partly cloudy, with a low around -4.
Saturday
Sunny and cold, with a high near 8.
Saturday Night
Partly cloudy, with a low around -6.
Sunday
Mostly cloudy and cold, with a high near 9.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around -2.
Monday
Partly sunny, with a high near 14.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Newcastle ME
 44.01°N 69.6°W (Elev. 16 ft)
Last Update:
12:28 am EST Jan 20, 2026
Forecast Valid:
1am EST Jan 20, 2026-6pm EST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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