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

44°F

7°C

Humidity 65%
Wind Speed Calm
Barometer 29.69 in (1005.4 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 12 Nov 6:53 pm EST
Extended Forecast for

South Bristol ME

  • Tonight

    Tonight: A chance of rain between 11pm and 4am, then a chance of snow after 4am. Cloudy, with a low around 30. Northeast wind 5 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 30 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Friday

    Friday: A chance of snow before 8am, then a chance of rain between 8am and 1pm. Mostly cloudy, with a high near 45. North wind 10 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29. North wind around 5 mph.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 46. Northwest wind 5 to 10 mph.

    High: 46 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. Northwest wind around 5 mph.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 29.

    Low: 29 °F

    Clear

Detailed Forecast

Tonight
A chance of rain between 11pm and 4am, then a chance of snow after 4am. Cloudy, with a low around 30. Northeast wind 5 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of snow before 8am, then a chance of rain between 8am and 1pm. Mostly cloudy, with a high near 45. North wind 10 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly cloudy, with a low around 29. North wind around 5 mph.
Saturday
Mostly cloudy, with a high near 46. Northwest wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 29. Northwest wind around 5 mph.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Sunny, with a high near 48.
Monday Night
Clear, with a low around 29.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Mostly clear, with a low around 34.
Wednesday
Sunny, with a high near 55.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Bristol ME
 43.87°N 69.54°W (Elev. 3 ft)
Last Update:
1:24 pm EST Nov 12, 2026
Forecast Valid:
7pm EST Nov 12, 2026-6pm EST Nov 19, 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