National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Wiscasset Airport (KIWI)

Lat: 43.96°NLon: 69.71°WElev: 53ft.

Fair

66°F

19°C

Humidity 87%
Wind Speed Calm
Barometer 29.96 in (1014.3 mb)
Dewpoint 62°F (17°C)
Visibility 8.00 mi
Last update 24 Jun 3:53 am EDT
Extended Forecast for

Harpswell ME

Extreme Heat Warning June 24, 11:00am until June 24, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Today

    Today: Patchy fog before 7am. Otherwise, sunny and hot, with a high near 90. Southwest wind 5 to 10 mph.

    High: 90 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 70. Northwest wind around 5 mph.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 86. North wind around 5 mph becoming west in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. North wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 72. Northeast wind around 5 mph becoming southeast in the afternoon.

    High: 72 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely

Detailed Forecast

Today
Patchy fog before 7am. Otherwise, sunny and hot, with a high near 90. Southwest wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 70. Northwest wind around 5 mph.
Wednesday
Sunny, with a high near 86. North wind around 5 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 60. North wind around 5 mph.
Thursday
Partly sunny, with a high near 72. Northeast wind around 5 mph becoming southeast in the afternoon.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
Partly sunny, with a high near 73.
Friday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Saturday
Showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 58.
Sunday
Mostly cloudy, with a high near 74.
Sunday Night
Mostly cloudy, with a low around 61.
Monday
Partly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harpswell ME
 43.8°N 69.99°W (Elev. 89 ft)
Last Update:
3:33 am EDT Jun 24, 2025
Forecast Valid:
4am EDT Jun 24, 2025-6pm EDT Jun 30, 2025
 
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