Current conditions at

Wiscasset Airport (KIWI)

Lat: 43.96°NLon: 69.71°WElev: 53ft.

Overcast

24°F

-4°C

Humidity 75%
Wind Speed Calm
Barometer 29.63 in (1003.4 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 1 Jan 12:53 am EST
Extended Forecast for

Newcastle ME

Winter Weather Advisory until January 1, 07:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until January 1, 07:00pm

    NOW until 7:00pm Thu

    Winter Weather Advisory

  • Overnight

    Low: 20 °F

    Snow

  • New Year's Day

    New Year's Day: Snow, mainly before 1pm. The snow could be heavy at times.  High near 32. Light and variable wind becoming northwest 10 to 15 mph in the morning. Winds could gust as high as 30 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 32 °F

    Heavy Snow
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 0. Wind chill values as low as -9. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 0 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 20. Wind chill values as low as -9. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 20 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 7. West wind around 5 mph.

    Low: 7 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 21.

    High: 21 °F

    Partly Sunny

Detailed Forecast

Overnight
Snow, mainly after 2am. Low around 20. Calm wind becoming southwest around 5 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.
New Year's Day
Snow, mainly before 1pm. The snow could be heavy at times. High near 32. Light and variable wind becoming northwest 10 to 15 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Mostly clear, with a low around 0. Wind chill values as low as -9. West wind around 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 20. Wind chill values as low as -9. West wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 7. West wind around 5 mph.
Saturday
Mostly sunny, with a high near 22.
Saturday Night
Mostly cloudy, with a low around 6.
Sunday
Partly sunny, with a high near 21.
Sunday Night
Mostly clear, with a low around -1.
Monday
Mostly sunny, with a high near 18.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 6.
Tuesday
Partly sunny, with a high near 30.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 15.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle ME
 44.03°N 69.53°W (Elev. 0 ft)
12:20 am EST Jan 1, 2026
1am EST Jan 1, 2026-6pm EST Jan 7, 2026
 
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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