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.

Mostly Cloudy

29°F

-2°C

Humidity 69%
Wind Speed SW 8 G 22 mph
Barometer 29.83 in (1010.1 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 19 Jan 7:53 pm EST
Extended Forecast for

3 Miles ESE South Newcastle ME

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 14. Southwest wind around 10 mph, with gusts as high as 25 mph.

    Low: 14 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Increasing clouds, with a high near 22. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 22 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 5. Wind chill values as low as -4. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 5 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 31. Wind chill values as low as -6. Southwest wind 5 to 10 mph.

    High: 31 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Snow likely, mainly between 7pm and 1am. Cloudy, with a low around 21. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 21 °F

    Snow Likely

  • Thursday

    Thursday: Scattered snow showers, mainly before 7am. Partly sunny, with a high near 37. Chance of precipitation is 30%.

    High: 37 °F

    Scattered
    Snow Showers
    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 -2.

    Low: -2 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming 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 22. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 5. Wind chill values as low as -4. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Increasing clouds, with a high near 31. Wind chill values as low as -6. Southwest wind 5 to 10 mph.
Wednesday Night
Snow likely, mainly between 7pm and 1am. Cloudy, with a low around 21. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Thursday
Scattered snow showers, mainly before 7am. Partly sunny, with a high near 37. Chance of precipitation is 30%.
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 -2.
Saturday
Mostly sunny and cold, with a high near 9.
Saturday Night
Partly cloudy, with a low around -6.
Sunday
Mostly sunny, with a high near 11.
Sunday Night
Partly cloudy, with a low around -3.
Monday
Mostly sunny, with a high near 15.
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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:
7:48 pm EST Jan 19, 2026
Forecast Valid:
8pm EST Jan 19, 2026-6pm EST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation