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.

A Few Clouds

90°F

32°C

Humidity 42%
Wind Speed S 8 mph
Barometer 30.08 in (1018.3 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 6 Aug 12:53 pm EDT
Extended Forecast for

Boothbay Harbor ME

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. South wind 5 to 10 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm.

    Low: 66 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Patchy Fog

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm, mainly after 5pm. Partly sunny, with a high near 80. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 80 °F

    Partly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 84. South wind 5 to 10 mph.
Tonight
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 66. Calm wind.
Saturday
Showers likely and possibly a thunderstorm, mainly after 5pm. Partly sunny, with a high near 80. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%.
Saturday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 66.
Monday
Sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 81.
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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:
1:07 pm EDT Aug 6, 2026
Forecast Valid:
1pm EDT Aug 6, 2026-6pm EDT Aug 12, 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