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.

Overcast

36°F

2°C

Humidity 82%
Wind Speed SW 3 mph
Barometer 30.03 in (1016.9 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 17 Feb 7:53 pm EST
Extended Forecast for

3 Miles ESE South Newcastle ME

  • Tonight

    Tonight: Mostly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 38. Northwest wind around 5 mph.

    High: 38 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of snow between 10pm and 2am. Mostly cloudy, with a low around 17. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 17 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: Sunny, with a high near 38. North wind around 5 mph becoming calm in the afternoon.

    High: 38 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 16. Calm wind.

    Low: 16 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Friday Night

    Friday Night: Snow likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 18. Chance of precipitation is 60%.

    Low: 18 °F

    Snow Likely

  • Saturday

    Saturday: A 40 percent chance of snow. Mostly cloudy, with a high near 32.

    High: 32 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 22. Calm wind.
Wednesday
Partly sunny, with a high near 38. Northwest wind around 5 mph.
Wednesday Night
A slight chance of snow between 10pm and 2am. Mostly cloudy, with a low around 17. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 38. North wind around 5 mph becoming calm in the afternoon.
Thursday Night
Mostly clear, with a low around 16. Calm wind.
Friday
Partly sunny, with a high near 35.
Friday Night
Snow likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 18. Chance of precipitation is 60%.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 32.
Saturday Night
A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 14.
Sunday
A 30 percent chance of snow after 4pm. Partly sunny, with a high near 35.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 19.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 32.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Partly sunny, with a high near 29.
Basemap Options
Click map to change the forecast location
Loading map...
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:
8:06 pm EST Feb 17, 2026
Forecast Valid:
9pm EST Feb 17, 2026-6pm EST Feb 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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