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

45°F

7°C

Humidity 39%
Wind Speed Vrbl 7 mph
Barometer 30.13 in (1020.4 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 20 Apr 4:53 pm EDT
Extended Forecast for

Newcastle ME

  • This Afternoon

    This Afternoon: Scattered rain and snow showers. Partly sunny, with a high near 49. Northwest wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Scattered
    Rain/Snow

  • Tonight

    Tonight: Scattered rain and snow showers, mainly before 7pm. Partly cloudy, with a low around 23. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 23 °F

    Scattered
    Rain/Snow
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 47. Calm wind becoming south around 5 mph in the afternoon.

    High: 47 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers after 11am. Mostly cloudy, with a high near 47. South wind 5 to 10 mph.

    High: 47 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers. Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Scattered rain and snow showers. Partly sunny, with a high near 49. Northwest wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Scattered rain and snow showers, mainly before 7pm. Partly cloudy, with a low around 23. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Sunny, with a high near 47. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 30. Calm wind.
Wednesday
A 30 percent chance of showers after 11am. Mostly cloudy, with a high near 47. South wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 52.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 54.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Sunny, with a high near 55.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 39.
Monday
Partly sunny, with a high near 57.
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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:
3:04 pm EDT Apr 20, 2026
Forecast Valid:
5pm EDT Apr 20, 2026-6pm EDT Apr 27, 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