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

75°F

24°C

Humidity 60%
Wind Speed S 9 mph
Barometer 30.21 in (1023.1 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 6 Jul 3:53 pm EDT
Extended Forecast for

Boothbay Harbor ME

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 58. Southeast wind around 5 mph becoming calm.

    Low: 58 °F

    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of showers between 9am and noon, then rain likely after noon. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 72. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers, mainly before 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 57. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 79. Calm wind becoming south around 5 mph in the afternoon.

    High: 79 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61. Southwest wind around 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.

    High: 85 °F

    Partly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 10pm. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 58. Southeast wind around 5 mph becoming calm.
Tuesday
A slight chance of showers between 9am and noon, then rain likely after noon. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 72. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 40 percent chance of showers, mainly before 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 57. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 79. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 61. Southwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Mostly cloudy, with a low around 66.
Friday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 10pm. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Boothbay Harbor ME
 43.86°N 69.64°W (Elev. 98 ft)
Last Update:
2:31 pm EDT Jul 6, 2026
Forecast Valid:
4pm EDT Jul 6, 2026-6pm EDT Jul 13, 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