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

60°F

16°C

Humidity 80%
Wind Speed Calm
Barometer 30.12 in (1020.0 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 29 Aug 4:53 am EDT
Extended Forecast for

Harpswell MESimilar City Names

  • Today

    Today: Sunny, with a high near 79. North wind 5 to 10 mph becoming south in the afternoon.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. Southwest wind 5 to 10 mph.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 83. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 61. Southwest wind around 5 mph becoming northwest after midnight.

    Low: 61 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 78. North wind around 5 mph becoming south in the afternoon.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers after 10pm. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 79. North wind 5 to 10 mph becoming south in the afternoon.
Tonight
Mostly clear, with a low around 60. Southwest wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 83. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 61. Southwest wind around 5 mph becoming northwest after midnight.
Monday
Sunny, with a high near 78. North wind around 5 mph becoming south in the afternoon.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
A 40 percent chance of showers after 10pm. Mostly cloudy, with a low around 60.
Wednesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 70.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 61.
Friday
Partly sunny, with a high near 70.
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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:
2:41 am EDT Aug 29, 2026
Forecast Valid:
5am EDT Aug 29, 2026-6pm EDT Sep 4, 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