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

66°F

19°C

Humidity 70%
Wind Speed S 9 G 18 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 5 Nov 9:53 am EST
Extended Forecast for

South Bristol ME

  • Today

    Today: A 30 percent chance of rain, mainly between 1pm and 4pm. Mostly cloudy, with a high near 64. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 64 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tonight

    Tonight: A 50 percent chance of rain, mainly between 1am and 5am. Mostly cloudy, with a low around 55. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain, mainly after 11am. Patchy fog before 11am, then patchy fog after 4pm. High near 65. Southwest wind around 5 mph becoming calm. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 65 °F

    Chance Rain
    and Patchy
    Fog then Rain
    and Patchy
    Fog

  • Friday Night

    Friday Night: Rain. Areas of fog before 7pm. Low around 48. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 90%.

    Low: 48 °F

    Rain and
    Areas Fog

  • Saturday

    Saturday: Rain likely, mainly before 1pm. Cloudy, with a high near 57. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 57 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Rain likely, mainly after 1am. Cloudy, with a low around 39. Chance of precipitation is 70%.

    Low: 39 °F

    Chance Rain
    then Rain
    Likely

  • Sunday

    Sunday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.

    High: 53 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of rain, mainly between 1pm and 4pm. Mostly cloudy, with a high near 64. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
A 50 percent chance of rain, mainly between 1am and 5am. Mostly cloudy, with a low around 55. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain, mainly after 11am. Patchy fog before 11am, then patchy fog after 4pm. High near 65. Southwest wind around 5 mph becoming calm. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain. Areas of fog before 7pm. Low around 48. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 90%.
Saturday
Rain likely, mainly before 1pm. Cloudy, with a high near 57. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Saturday Night
Rain likely, mainly after 1am. Cloudy, with a low around 39. Chance of precipitation is 70%.
Sunday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Sunny, with a high near 55.
Tuesday Night
Partly cloudy, with a low around 34.
Veterans Day
Mostly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Bristol ME
 43.88°N 69.57°W (Elev. 3 ft)
Last Update:
6:21 am EST Nov 5, 2026
Forecast Valid:
10am EST Nov 5, 2026-6pm EST Nov 11, 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