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

34°F

1°C

Humidity 85%
Wind Speed Calm
Barometer 30.29 in (1025.8 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 2 Nov 4:53 am EST
Extended Forecast for

Newcastle ME

  • Today

    Today: Increasing clouds, with a high near 67. Southwest wind around 5 mph.

    High: 67 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 46. West wind around 5 mph becoming calm.

    Low: 46 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 20 percent chance of showers before 9am. Mostly cloudy, with a high near 64. Calm wind becoming southeast around 5 mph.

    High: 64 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 65. Calm wind becoming south around 5 mph in the morning.

    High: 65 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of rain after 10pm. Cloudy, with a low around 51.

    Low: 51 °F

    Chance Rain

  • Friday

    Friday: Rain likely, mainly after 8am. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.

    High: 67 °F

    Rain Likely

Detailed Forecast

Today
Increasing clouds, with a high near 67. Southwest wind around 5 mph.
Tonight
Increasing clouds, with a low around 46. West wind around 5 mph becoming calm.
Tuesday
A 20 percent chance of showers before 9am. Mostly cloudy, with a high near 64. Calm wind becoming southeast around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 46. Calm wind.
Wednesday
Partly sunny, with a high near 65. Calm wind becoming south around 5 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Partly sunny, with a high near 66.
Thursday Night
A 50 percent chance of rain after 10pm. Cloudy, with a low around 51.
Friday
Rain likely, mainly after 8am. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Friday Night
Rain likely. Cloudy, with a low around 46. Chance of precipitation is 70%.
Saturday
Rain likely. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Saturday Night
Rain likely. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Sunday
A 40 percent chance of rain. Partly sunny, with a high near 58.
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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:
1:19 am EST Nov 2, 2026
Forecast Valid:
5am EST Nov 2, 2026-6pm EST Nov 8, 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