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.

Partly Cloudy

42°F

6°C

Humidity 79%
Wind Speed Calm
Barometer 29.75 in (1007.4 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 9 Nov 7:53 pm EST
Extended Forecast for

Newcastle ME

  • Tonight

    Tonight: Partly cloudy, with a low around 36. West wind around 5 mph.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. Calm wind becoming west around 5 mph.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Calm wind becoming west around 5 mph after midnight.

    Low: 37 °F

    Decreasing
    Clouds

  • Veterans Day

    Veterans Day: Sunny, with a high near 52. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 52 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of rain and snow after 4am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow before 10am, then a chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.

    High: 45 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Friday Night

    Friday Night: A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.

    Low: 27 °F

    Chance Rain
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 36. West wind around 5 mph.
Tuesday
Mostly sunny, with a high near 49. Calm wind becoming west around 5 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Calm wind becoming west around 5 mph after midnight.
Veterans Day
Sunny, with a high near 52. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 25. Calm wind.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
A chance of rain and snow after 4am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Friday
A chance of rain and snow before 10am, then a chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.
Friday Night
A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 47.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 52.
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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:
1:35 pm EST Nov 9, 2026
Forecast Valid:
8pm EST Nov 9, 2026-6pm EST Nov 16, 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