National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Wiscasset Airport (KIWI)

Lat: 43.96°NLon: 69.71°WElev: 53ft.

Fair

42°F

6°C

Humidity 76%
Wind Speed SW 7 mph
Barometer 30.25 in (1024.6 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 9 Jan 11:53 am EST
Extended Forecast for

Newcastle ME

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 43. South wind 5 to 10 mph.

    High: 43 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers, mainly before 11pm. Low around 34. South wind around 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 43. West wind around 5 mph becoming calm in the afternoon.

    High: 43 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Snow, mainly after 11pm. Low around 29. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 29 °F

    Snow Likely
    then Snow

  • Sunday

    Sunday: Rain and snow before 1pm, then rain likely between 1pm and 2pm, then rain and snow likely after 2pm. High near 37. Northeast wind around 5 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: A 50 percent chance of snow before 1am. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Chance Snow

  • Monday

    Monday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 43. South wind 5 to 10 mph.
Tonight
Showers, mainly before 11pm. Low around 34. South wind around 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Increasing clouds, with a high near 43. West wind around 5 mph becoming calm in the afternoon.
Saturday Night
Snow, mainly after 11pm. Low around 29. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Sunday
Rain and snow before 1pm, then rain likely between 1pm and 2pm, then rain and snow likely after 2pm. High near 37. Northeast wind around 5 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday Night
A 50 percent chance of snow before 1am. Mostly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 34.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Cloudy, with a high near 42.
Wednesday Night
A 30 percent chance of snow. Cloudy, with a low around 23.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 34.
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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:
6:16 am EST Jan 9, 2026
Forecast Valid:
12pm EST Jan 9, 2026-6pm EST Jan 15, 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