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.

Fog

N/A

Humidity NA
Wind Speed Calm
Barometer 29.45 in
Dewpoint N/A
Visibility 0.25 mi
Last update 12 Mar 6:53 am EDT
Extended Forecast for

Harpswell ME

  • Today

    Today: A chance of rain before 5pm, then a chance of rain and snow. Areas of dense fog before 10am. Otherwise, cloudy, with a high near 50. Southwest wind around 10 mph becoming northwest in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance Rain
    and Areas
    Dense Fog
    then Chance
    Rain/Snow

  • Tonight

    Tonight: A 30 percent chance of snow before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 21. Northwest wind 5 to 10 mph.

    Low: 21 °F

    Chance Snow
    then Mostly
    Clear

  • Friday

    Friday: Increasing clouds, with a high near 38. West wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 38 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 29. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 29 °F

    Snow Likely

  • Saturday

    Saturday: Partly sunny, with a high near 43. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 43 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain likely, possibly mixed with snow, mainly after 5am. Cloudy, with a low around 30. Chance of precipitation is 60%.

    Low: 30 °F

    Cloudy then
    Rain/Snow
    Likely

  • Monday

    Monday: Rain. High near 51. Breezy. Chance of precipitation is 90%.

    High: 51 °F

    Rain and
    Breezy

Detailed Forecast

Today
A chance of rain before 5pm, then a chance of rain and snow. Areas of dense fog before 10am. Otherwise, cloudy, with a high near 50. Southwest wind around 10 mph becoming northwest in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 30 percent chance of snow before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 21. Northwest wind 5 to 10 mph.
Friday
Increasing clouds, with a high near 38. West wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 29. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday
Partly sunny, with a high near 43. West wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Mostly cloudy, with a high near 39.
Sunday Night
Rain likely, possibly mixed with snow, mainly after 5am. Cloudy, with a low around 30. Chance of precipitation is 60%.
Monday
Rain. High near 51. Breezy. Chance of precipitation is 90%.
Monday Night
Rain. Low around 31. Windy. Chance of precipitation is 90%.
Tuesday
A 40 percent chance of rain. Partly sunny, with a high near 41.
Tuesday Night
Mostly clear, with a low around 18.
Wednesday
Mostly sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harpswell ME
 43.8°N 69.99°W (Elev. 89 ft)
Last Update:
6:48 am EDT Mar 12, 2026
Forecast Valid:
7am EDT Mar 12, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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