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

44°F

7°C

Humidity 89%
Wind Speed SW 12 G 24 mph
Barometer 29.94 in (1014.0 mb)
Dewpoint 41°F (5°C)
Visibility 9.00 mi
Wind Chill38°F (3°C)
Last update 9 Jan 8:53 pm EST
Extended Forecast for

Newcastle ME

  • Tonight

    Tonight: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 32. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 32 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 42. West wind 5 to 10 mph becoming light northwest in the afternoon.

    High: 42 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Snow, mainly after 11pm. Low around 30. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 30 °F

    Snow Likely
    then Snow

  • Sunday

    Sunday: Snow before noon, then sleet likely between noon and 2pm, then snow likely after 2pm. High near 33. Northeast wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New snow and sleet accumulation of less than a half inch possible.

    High: 33 °F

    Snow then
    Snow/Sleet
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 20. West wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 20 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 32. West wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Increasing clouds, with a high near 42. West wind 5 to 10 mph becoming light northwest in the afternoon.
Saturday Night
Snow, mainly after 11pm. Low around 30. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Sunday
Snow before noon, then sleet likely between noon and 2pm, then snow likely after 2pm. High near 33. Northeast wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New snow and sleet accumulation of less than a half inch possible.
Sunday Night
A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 20. West wind 5 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 33.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Cloudy, with a high near 42.
Wednesday Night
Cloudy, with a low around 25.
Thursday
Mostly cloudy, with a high near 36.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 14.
Friday
Partly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle ME
 44.03°N 69.53°W (Elev. 0 ft)
Last Update:
6:11 pm EST Jan 9, 2026
Forecast Valid:
10pm EST Jan 9, 2026-6pm EST Jan 16, 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