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 Calm
Barometer 30.11 in (1019.6 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 22 Aug 12:53 am EDT
Extended Forecast for

Boothbay Harbor ME

  • Overnight

    Overnight: Mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers likely, mainly after 4pm. Mostly cloudy, with a high near 73. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 73 °F

    Partly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely before 3am, then a slight chance of showers after 5am. Patchy fog after 9pm. Otherwise, cloudy, with a low around 60. Northeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 60 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: Showers likely, mainly between 10am and 2pm. Areas of fog. Otherwise, mostly cloudy, with a high near 73. Southeast wind around 5 mph. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely and
    Areas Fog

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 8pm. Patchy fog. Otherwise, mostly cloudy, with a low around 64. Southeast wind around 5 mph becoming calm.

    Low: 64 °F

    Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Monday

    Monday: Mostly sunny, with a high near 78.

    High: 78 °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 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 58. Calm wind.
Saturday
Showers likely, mainly after 4pm. Mostly cloudy, with a high near 73. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Showers likely before 3am, then a slight chance of showers after 5am. Patchy fog after 9pm. Otherwise, cloudy, with a low around 60. Northeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers likely, mainly between 10am and 2pm. Areas of fog. Otherwise, mostly cloudy, with a high near 73. Southeast wind around 5 mph. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers before 8pm. Patchy fog. Otherwise, mostly cloudy, with a low around 64. Southeast wind around 5 mph becoming calm.
Monday
Mostly sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 62.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 77.
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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:
7:55 pm EDT Aug 21, 2026
Forecast Valid:
1am EDT Aug 22, 2026-6pm EDT Aug 28, 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