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.

Light Rain Fog/Mist

65°F

18°C

Humidity 90%
Wind Speed S 5 mph
Barometer 30.04 in (1017.2 mb)
Dewpoint 62°F (17°C)
Visibility 5.00 mi
Last update 3 Sep 6:53 am EDT
Extended Forecast for

Boothbay Harbor ME

  • Today

    Today: Rain and possibly a thunderstorm before noon, then a chance of showers, mainly between noon and 4pm. Patchy fog before 10am. High near 71. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 71 °F

    Showers and
    Patchy Fog
    then Chance
    Showers

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Patchy Fog

  • Friday

    Friday: A 30 percent chance of showers, mainly after 5pm. Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 79 °F

    Patchy Fog
    then Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58. Calm wind becoming north around 5 mph after midnight.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72. North wind around 10 mph, with gusts as high as 20 mph.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

Today
Rain and possibly a thunderstorm before noon, then a chance of showers, mainly between noon and 4pm. Patchy fog before 10am. High near 71. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 58. Calm wind.
Friday
A 30 percent chance of showers, mainly after 5pm. Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 58. Calm wind becoming north around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 72. North wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 54.
Labor Day
Sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Partly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Boothbay Harbor ME
 43.86°N 69.64°W (Elev. 98 ft)
Last Update:
6:17 am EDT Sep 3, 2026
Forecast Valid:
7am EDT Sep 3, 2026-6pm EDT Sep 9, 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