Current conditions at

Wiscasset Airport (KIWI)

Lat: 43.96°NLon: 69.71°WElev: 53ft.

Fair

61°F

16°C

Humidity 87%
Wind Speed Calm
Barometer 29.76 in (1007.7 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 21 Jun 6:53 am EDT
Extended Forecast for

Harpswell ME

  • Today

    Today: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 69. Calm wind becoming south around 5 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Partly Sunny
    then Showers
    Likely

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 75. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 75 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Showers, mainly after 7pm.  Low around 57. South wind around 5 mph becoming east after midnight.  Chance of precipitation is 100%.

    Low: 57 °F

    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers before 2pm.  Mostly cloudy, with a high near 80. Northeast wind 5 to 10 mph becoming northwest in the afternoon.

    High: 80 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 69. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Partly cloudy, with a low around 56. Calm wind.
Monday
Mostly cloudy, with a high near 75. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Monday Night
Showers, mainly after 7pm. Low around 57. South wind around 5 mph becoming east after midnight. Chance of precipitation is 100%.
Tuesday
A 50 percent chance of showers before 2pm. Mostly cloudy, with a high near 80. Northeast wind 5 to 10 mph becoming northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 58.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 76.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 60.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Harpswell ME
 43.8°N 69.99°W (Elev. 89 ft)
6:39 am EDT Jun 21, 2026
7am EDT Jun 21, 2026-6pm EDT Jun 27, 2026
 
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Additional Resources

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