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

49°F

9°C

Humidity 64%
Wind Speed Vrbl 6 mph
Barometer 29.89 in (1012.3 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 17 Oct 12:53 am EDT
Extended Forecast for

Newcastle ME

  • Overnight

    Overnight: Mostly clear, with a low around 40. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38. North wind around 5 mph.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 65. North wind around 5 mph.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers likely, mainly after 11am. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.

    Low: 46 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 40. North wind around 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 63. North wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 38. North wind around 5 mph.
Saturday
Sunny, with a high near 65. North wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 43. Calm wind.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 49.
Monday
Showers likely, mainly after 11am. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.
Monday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 65.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 46.
Wednesday
Showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 43.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 62.
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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:
7:06 pm EDT Oct 16, 2025
Forecast Valid:
1am EDT Oct 17, 2025-6pm EDT Oct 23, 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