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

60°F

16°C

Humidity 38%
Wind Speed Vrbl 3 mph
Barometer 30.18 in (1021.8 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 15 Oct 12:53 pm EDT
Extended Forecast for

Newcastle ME

  • This Afternoon

    This Afternoon: Sunny, with a high near 60. Northwest wind around 10 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 33. Calm wind.

    Low: 33 °F

    Increasing
    Clouds

  • Friday

    Friday: Showers, mainly before 5pm. High near 62. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers

  • Friday Night

    Friday Night: Showers before 10pm, then a chance of showers after midnight. Low around 35. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    Low: 35 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 51. Northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 60. Northwest wind around 10 mph.
Tonight
Increasing clouds, with a low around 33. Calm wind.
Friday
Showers, mainly before 5pm. High near 62. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Showers before 10pm, then a chance of showers after midnight. Low around 35. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Saturday
Mostly sunny, with a high near 51. Northwest wind around 15 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
Sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle ME
 44.05°N 69.53°W (Elev. 3 ft)
Last Update:
12:26 pm EDT Oct 15, 2026
Forecast Valid:
1pm EDT Oct 15, 2026-6pm EDT Oct 21, 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