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

35°F

2°C

Humidity 34%
Wind Speed Vrbl 6 G 20 mph
Barometer 29.82 in (1009.6 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 17 Mar 7:53 pm EDT
Extended Forecast for

Boothbay Harbor ME

  • Tonight

    Tonight: Mostly clear, with a low around 18. West wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 32. Northwest wind around 5 mph becoming southwest in the afternoon.

    High: 32 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. South wind around 5 mph becoming calm.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 37. South wind 5 to 10 mph.

    High: 37 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 28. South wind around 5 mph.

    Low: 28 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain before 11am, then a chance of rain and snow. Partly sunny, with a high near 42. Chance of precipitation is 50%.

    High: 42 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 18. West wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 32. Northwest wind around 5 mph becoming southwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 23. South wind around 5 mph becoming calm.
Thursday
Partly sunny, with a high near 37. South wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 28. South wind around 5 mph.
Friday
Partly sunny, with a high near 44.
Friday Night
Partly cloudy, with a low around 28.
Saturday
A chance of rain before 11am, then a chance of rain and snow. Partly sunny, with a high near 42. Chance of precipitation is 50%.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 29.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 44.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Monday
Sunny, with a high near 42.
Monday Night
Mostly clear, with a low around 19.
Tuesday
Sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Boothbay Harbor ME
 43.86°N 69.64°W (Elev. 98 ft)
Last Update:
8:01 pm EDT Mar 17, 2026
Forecast Valid:
8pm EDT Mar 17, 2026-6pm EDT Mar 24, 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