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.

Overcast

69°F

21°C

Humidity 63%
Wind Speed Vrbl 3 mph
Barometer 30.09 in (1018.8 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 21 Aug 5:53 am EDT
Extended Forecast for

Boothbay Harbor ME

  • Today

    Today: Mostly sunny, with a high near 76. North wind 5 to 10 mph becoming southeast in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 56. Calm wind.

    Low: 56 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 30 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 69. East wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 69 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 11pm. Patchy fog after 9pm. Otherwise, cloudy, with a low around 59. East wind 5 to 10 mph becoming light in the evening. Chance of precipitation is 70%.

    Low: 59 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: A 50 percent chance of showers. Mostly cloudy, with a high near 73. East wind around 5 mph.

    High: 73 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 76. North wind 5 to 10 mph becoming southeast in the afternoon.
Tonight
Increasing clouds, with a low around 56. Calm wind.
Saturday
A 30 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 69. East wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Showers likely, mainly after 11pm. Patchy fog after 9pm. Otherwise, cloudy, with a low around 59. East wind 5 to 10 mph becoming light in the evening. Chance of precipitation is 70%.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 73. East wind around 5 mph.
Sunday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Mostly sunny, with a high near 75.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Boothbay Harbor ME
 43.84°N 69.64°W (Elev. 3 ft)
Last Update:
2:24 am EDT Aug 21, 2026
Forecast Valid:
6am EDT Aug 21, 2026-6pm EDT Aug 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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