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

67°F

19°C

Humidity 87%
Wind Speed Calm
Barometer 29.91 in (1012.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 23 Aug 5:53 am EDT
Extended Forecast for

North Harpswell ME

  • Today

    Today: A 40 percent chance of showers, mainly after 5pm. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 69. Light east wind increasing to 5 to 10 mph in the afternoon. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 69 °F

    Chance
    Showers and
    Patchy Fog

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 4am, then a slight chance of showers after 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 63. Southeast wind around 5 mph becoming south after midnight. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Monday

    Monday: Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 74. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 74 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60. Southwest wind 5 to 10 mph.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 73. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

Today
A 40 percent chance of showers, mainly after 5pm. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 69. Light east wind increasing to 5 to 10 mph in the afternoon. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A slight chance of showers and thunderstorms before 4am, then a slight chance of showers after 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 63. Southeast wind around 5 mph becoming south after midnight. Chance of precipitation is 20%.
Monday
Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 74. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Partly cloudy, with a low around 60. Southwest wind 5 to 10 mph.
Tuesday
Sunny, with a high near 73. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 63.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 72.
Friday Night
Mostly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
North Harpswell ME
 43.82°N 69.98°W (Elev. 0 ft)
Last Update:
2:36 am EDT Aug 23, 2026
Forecast Valid:
6am EDT Aug 23, 2026-6pm EDT Aug 29, 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