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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

South Newcastle ME

  • Overnight

    Overnight: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Patchy Fog

  • Wednesday

    Wednesday: Widespread haze between 2pm and 3pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.

    High: 86 °F

    Areas Fog
    then Haze

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 66. South wind around 5 mph becoming calm.

    Low: 66 °F

    Patchy Fog

  • Thursday

    Thursday: A 30 percent chance of showers after noon. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 82. South wind around 5 mph.

    High: 82 °F

    Patchy Fog
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 68. South wind around 5 mph becoming west after midnight.

    Low: 68 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 83.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 63. Calm wind.
Wednesday
Widespread haze between 2pm and 3pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 66. South wind around 5 mph becoming calm.
Thursday
A 30 percent chance of showers after noon. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 82. South wind around 5 mph.
Thursday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 68. South wind around 5 mph becoming west after midnight.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly cloudy, with a low around 60.
Sunday
A 30 percent chance of showers. Mostly cloudy, with a high near 78.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Newcastle ME
 44.01°N 69.6°W (Elev. 16 ft)
Last Update:
7:24 pm EDT Jul 15, 2025
Forecast Valid:
12am EDT Jul 16, 2025-6pm EDT Jul 22, 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