National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Wiscasset Airport (KIWI)

Lat: 43.96°NLon: 69.71°WElev: 53ft.

Fog

64°F

18°C

Humidity 93%
Wind Speed E 3 mph
Barometer 29.90 in (1012.4 mb)
Dewpoint 62°F (17°C)
Visibility 0.50 mi
Last update 18 Jun 7:53 pm EDT
Extended Forecast for

South Bristol ME

  • Tonight

    Tonight: Widespread dense fog, mainly after 11pm. Otherwise, cloudy, with a low around 58. South wind around 5 mph becoming calm.

    Low: 58 °F

    Dense Fog

  • Juneteenth

    Juneteenth: Widespread dense fog, mainly before 9am. Otherwise, mostly cloudy, with a high near 67. Calm wind becoming south around 5 mph in the afternoon.

    High: 67 °F

    Dense Fog

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 62. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 77. Southwest wind 10 to 15 mph, with gusts as high as 35 mph.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. West wind around 5 mph.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers before 2pm. Mostly sunny, with a high near 77.

    High: 77 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Tonight
Widespread dense fog, mainly after 11pm. Otherwise, cloudy, with a low around 58. South wind around 5 mph becoming calm.
Juneteenth
Widespread dense fog, mainly before 9am. Otherwise, mostly cloudy, with a high near 67. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 62. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 77. Southwest wind 10 to 15 mph, with gusts as high as 35 mph.
Friday Night
Mostly clear, with a low around 58. West wind around 5 mph.
Saturday
Sunny, with a high near 77.
Saturday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 59.
Sunday
A 30 percent chance of showers before 2pm. Mostly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Partly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Bristol ME
 43.86°N 69.58°W (Elev. 98 ft)
Last Update:
3:05 pm EDT Jun 18, 2025
Forecast Valid:
8pm EDT Jun 18, 2025-6pm EDT Jun 25, 2025
 
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