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

70°F

21°C

Humidity 57%
Wind Speed Calm
Barometer 30.13 in (1020.2 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 22 Aug 7:53 am EDT
Extended Forecast for

North Harpswell ME

  • Today

    Today: A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 68. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tonight

    Tonight: A 40 percent chance of showers after 4am. Cloudy, with a low around 61. Northeast wind 5 to 10 mph becoming light after midnight. New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly between 10am and 2pm. Patchy fog before 1pm. Otherwise, cloudy, with a high near 69. East wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 69 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 7pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 63. South wind around 5 mph.

    Low: 63 °F

    Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Monday

    Monday: Mostly sunny, with a high near 71. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 71 °F

    Mostly Sunny

  • Monday Night

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

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71.

    High: 71 °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 72.

    High: 72 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 68. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 40 percent chance of showers after 4am. Cloudy, with a low around 61. Northeast wind 5 to 10 mph becoming light after midnight. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers likely, mainly between 10am and 2pm. Patchy fog before 1pm. Otherwise, cloudy, with a high near 69. East wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A 30 percent chance of showers before 7pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 63. South wind around 5 mph.
Monday
Mostly sunny, with a high near 71. South wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 63.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
North Harpswell ME
 43.82°N 69.95°W (Elev. 33 ft)
Last Update:
2:28 am EDT Aug 22, 2026
Forecast Valid:
8am EDT Aug 22, 2026-6pm EDT Aug 28, 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