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

12°F

-11°C

Humidity 77%
Wind Speed Calm
Barometer 30.23 in (1023.7 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Last update 16 Feb 5:53 am EST
Extended Forecast for

3 Miles ESE South Newcastle ME

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 35. Calm wind becoming east around 5 mph.

    High: 35 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 18. Calm wind.

    Low: 18 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: A chance of snow between noon and 1pm, then a slight chance of snow showers after 1pm. Partly sunny, with a high near 37. Calm wind becoming south around 5 mph. Chance of precipitation is 30%.

    High: 37 °F

    Chance Snow

  • Tuesday Night

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

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow after 3pm. Mostly cloudy, with a high near 39. Calm wind becoming west around 5 mph. Chance of precipitation is 30%.

    High: 39 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 7pm, then snow likely. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.

    Low: 19 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 16 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

Washington's Birthday
Partly sunny, with a high near 35. Calm wind becoming east around 5 mph.
Tonight
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 18. Calm wind.
Tuesday
A chance of snow between noon and 1pm, then a slight chance of snow showers after 1pm. Partly sunny, with a high near 37. Calm wind becoming south around 5 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 22. Calm wind.
Wednesday
A chance of rain and snow after 3pm. Mostly cloudy, with a high near 39. Calm wind becoming west around 5 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of rain and snow before 7pm, then snow likely. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 36.
Thursday Night
Mostly clear, with a low around 16.
Friday
Mostly sunny, with a high near 36.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 18.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 34.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Sunday
Mostly cloudy, with a high near 33.
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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:
6:07 am EST Feb 16, 2026
Forecast Valid:
6am EST Feb 16, 2026-6pm EST Feb 22, 2026
 
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