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

65°F

18°C

Humidity 76%
Wind Speed Calm
Barometer 30.26 in (1024.6 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 8 Sep 8:53 pm EDT
Extended Forecast for

North Harpswell ME

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Calm wind becoming northeast around 5 mph.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 67. East wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 67 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Cloudy, with a low around 64. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 76. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 76 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. Northwest wind around 5 mph.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Saturday Night

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

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 55. Calm wind becoming northeast around 5 mph.
Wednesday
Mostly cloudy, with a high near 67. East wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Showers and thunderstorms likely before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Cloudy, with a low around 64. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 76. Southwest wind around 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 59. Northwest wind around 5 mph.
Friday
Sunny, with a high near 69.
Friday Night
Clear, with a low around 54.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Mostly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
North Harpswell ME
 43.84°N 69.95°W (Elev. 0 ft)
Last Update:
2:27 pm EDT Sep 8, 2026
Forecast Valid:
9pm EDT Sep 8, 2026-6pm EDT Sep 15, 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