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Hazardous Weather Conditions

Current conditions at

Wiscasset Airport (KIWI)

Lat: 43.96°NLon: 69.71°WElev: 53ft.

Fair

21°F

-6°C

Humidity 81%
Wind Speed Calm
Barometer 29.98 in (1015.4 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 28 Dec 6:53 pm EST
Extended Forecast for

3 Miles ESE South Newcastle ME

Winter Weather Advisory December 28, 10:00pm until December 29, 07:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Snow, mainly after 1am. Patchy fog after 4am. Temperature falling to near 20 by 10pm, then rising to around 32 during the remainder of the night. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 20 °F⇑

    Mostly Cloudy
    then Snow and
    Patchy Fog

  • Monday

    Monday: Rain. Patchy fog after 1pm. High near 42. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 42 °F

    Rain and
    Patchy Fog

  • Monday Night

    Monday Night: Rain likely before 11pm, then a chance of snow between 11pm and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 17. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 17 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 26. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 26 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 10. West wind 5 to 10 mph.

    Low: 10 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 30.

    High: 30 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of snow between 7pm and 3am. Mostly cloudy, with a low around 9. Chance of precipitation is 40%.

    Low: 9 °F

    Chance Snow

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow, mainly after 1am. Patchy fog after 4am. Temperature falling to near 20 by 10pm, then rising to around 32 during the remainder of the night. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.
Monday
Rain. Patchy fog after 1pm. High near 42. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Monday Night
Rain likely before 11pm, then a chance of snow between 11pm and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 17. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday
Partly sunny, with a high near 26. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 10. West wind 5 to 10 mph.
Wednesday
Mostly cloudy, with a high near 30.
Wednesday Night
A chance of snow between 7pm and 3am. Mostly cloudy, with a low around 9. Chance of precipitation is 40%.
New Year's Day
Mostly sunny, with a high near 20.
Thursday Night
Partly cloudy, with a low around 6.
Friday
Partly sunny, with a high near 24.
Friday Night
Partly cloudy, with a low around 8.
Saturday
Mostly sunny, with a high near 28.
Saturday Night
A 30 percent chance of snow. Partly cloudy, with a low around 13.
Sunday
Partly sunny, with a high near 27.
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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:
6:15 pm EST Dec 28, 2025
Forecast Valid:
7pm EST Dec 28, 2025-6pm EST Jan 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation