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

74°F

23°C

Humidity 50%
Wind Speed Vrbl 3 mph
Barometer 29.99 in (1015.4 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 26 Jul 9:53 am EDT
Extended Forecast for

Harpswell MESimilar City Names

  • Today

    Today: Sunny, with a high near 75. Southeast wind around 5 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76. Calm wind becoming south around 5 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. South wind around 5 mph becoming calm.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 76. Light southeast wind increasing to 5 to 10 mph in the morning.

    High: 76 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.

    High: 75 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm, then showers after 8pm. Low around 60. Chance of precipitation is 80%.

    Low: 60 °F

    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.

    High: 69 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 75. Southeast wind around 5 mph.
Tonight
Partly cloudy, with a low around 54. Calm wind.
Monday
Mostly sunny, with a high near 76. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 57. South wind around 5 mph becoming calm.
Tuesday
Partly sunny, with a high near 76. Light southeast wind increasing to 5 to 10 mph in the morning.
Tuesday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 60.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.
Wednesday Night
Showers likely and possibly a thunderstorm, then showers after 8pm. Low around 60. Chance of precipitation is 80%.
Thursday
Showers likely. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 61.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harpswell MESimilar City Names
 43.8°N 69.99°W (Elev. 89 ft)
Last Update:
6:10 am EDT Jul 26, 2026
Forecast Valid:
10am EDT Jul 26, 2026-6pm EDT Aug 1, 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