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

24°F

-4°C

Humidity 62%
Wind Speed Vrbl 5 mph
Barometer 29.49 in (998.8 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 24 Feb 2:53 am EST
Extended Forecast for

South Bristol ME

  • Overnight

    Overnight: Patchy blowing snow. Partly cloudy, with a low around 17. Blustery, with a northwest wind around 20 mph, with gusts as high as 35 mph.

    Low: 17 °F

    Patchy
    Blowing Snow
    and Blustery

  • Tuesday

    Tuesday: Patchy blowing snow before 7am. Mostly sunny, with a high near 29. Northwest wind around 10 mph, with gusts as high as 25 mph.

    High: 29 °F

    Patchy
    Blowing Snow
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 8. Northwest wind around 5 mph becoming calm in the evening.

    Low: 8 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow before 4pm, then rain and snow. High near 36. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 36 °F

    Snow then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 7pm. Partly cloudy, with a low around 21. West wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Snow Likely
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of snow after 8pm. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Chance Snow

  • Friday

    Friday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy blowing snow. Partly cloudy, with a low around 17. Blustery, with a northwest wind around 20 mph, with gusts as high as 35 mph.
Tuesday
Patchy blowing snow before 7am. Mostly sunny, with a high near 29. Northwest wind around 10 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 8. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Snow before 4pm, then rain and snow. High near 36. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow likely, mainly before 7pm. Partly cloudy, with a low around 21. West wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Mostly sunny, with a high near 36.
Thursday Night
A 40 percent chance of snow after 8pm. Mostly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 35.
Friday Night
Mostly clear, with a low around 22.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 5.
Monday
Mostly sunny, with a high near 22.
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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:
1:24 am EST Feb 24, 2026
Forecast Valid:
3am EST Feb 24, 2026-6pm EST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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