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

52°F

11°C

Humidity 61%
Wind Speed SW 5 mph
Barometer 30.35 in (1027.7 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 10 Oct 6:53 pm EDT
Extended Forecast for

South Newcastle ME

  • Tonight

    Tonight: Increasing clouds, with a low around 39. Calm wind becoming southwest around 5 mph in the evening.

    Low: 39 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 66. Southwest wind around 5 mph.

    High: 66 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 41. Calm wind.

    Low: 41 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 64. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 64 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 45. Northeast wind 5 to 10 mph.

    Low: 45 °F

    Chance
    Showers

  • Columbus Day

    Columbus Day: A 40 percent chance of showers. Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers. Cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers. Mostly cloudy, with a high near 58.

    High: 58 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 39. Calm wind becoming southwest around 5 mph in the evening.
Saturday
Sunny, with a high near 66. Southwest wind around 5 mph.
Saturday Night
Increasing clouds, with a low around 41. Calm wind.
Sunday
Partly sunny, with a high near 64. East wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 45. Northeast wind 5 to 10 mph.
Columbus Day
A 40 percent chance of showers. Mostly cloudy, with a high near 57.
Monday Night
A 50 percent chance of showers. Cloudy, with a low around 44.
Tuesday
A 50 percent chance of showers. Mostly cloudy, with a high near 58.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 44.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 63.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 42.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 57.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 39.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Newcastle ME
 44.02°N 69.63°W (Elev. 174 ft)
Last Update:
6:58 pm EDT Oct 10, 2025
Forecast Valid:
7pm EDT Oct 10, 2025-6pm EDT Oct 17, 2025
 
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