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

65°F

18°C

Humidity 84%
Wind Speed Calm
Barometer 29.87 in (1011.3 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 9 Jul 12:53 am EDT
Extended Forecast for

North Harpswell ME

  • Overnight

    Overnight: Mostly clear, with a low around 62. South wind around 5 mph.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. West wind 5 to 15 mph becoming south in the afternoon.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly between 10pm and 11pm. Areas of dense fog after 3am. Otherwise, mostly cloudy, with a low around 65. North wind around 5 mph becoming calm after midnight. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    Showers then
    Areas Dense
    Fog

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers likely after 5pm. Areas of fog before 8am. Otherwise, partly sunny, with a high near 73. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 73 °F

    Areas Fog
    then Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. Calm wind becoming north around 5 mph after midnight.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 62. South wind around 5 mph.
Thursday
Sunny, with a high near 80. West wind 5 to 15 mph becoming south in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly between 10pm and 11pm. Areas of dense fog after 3am. Otherwise, mostly cloudy, with a low around 65. North wind around 5 mph becoming calm after midnight. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers likely after 5pm. Areas of fog before 8am. Otherwise, partly sunny, with a high near 73. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 63. Calm wind becoming north around 5 mph after midnight.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
North Harpswell ME
 43.84°N 69.95°W (Elev. 0 ft)
Last Update:
1:11 am EDT Jul 9, 2026
Forecast Valid:
1am EDT Jul 9, 2026-6pm EDT Jul 15, 2026
 
Forecast Discussion
 
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Additional Resources

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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