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

45°F

7°C

Humidity 39%
Wind Speed Vrbl 7 mph
Barometer 30.13 in (1020.4 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 20 Apr 4:53 pm EDT
Extended Forecast for

South Bristol ME

  • This Afternoon

    This Afternoon: Scattered rain and snow showers. Partly sunny, with a high near 49. West wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Scattered
    Rain/Snow

  • Tonight

    Tonight: Scattered rain and snow showers, mainly before 7pm. Partly cloudy, with a low around 27. North wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 27 °F

    Scattered
    Rain/Snow
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 44. Calm wind becoming south around 5 mph in the afternoon.

    High: 44 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 33. South wind around 5 mph.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers between 11am and 2pm. Mostly cloudy, with a high near 45. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 45 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Scattered rain and snow showers. Partly sunny, with a high near 49. West wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Scattered rain and snow showers, mainly before 7pm. Partly cloudy, with a low around 27. North wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Sunny, with a high near 44. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 33. South wind around 5 mph.
Wednesday
A chance of showers between 11am and 2pm. Mostly cloudy, with a high near 45. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 51.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 52.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 53.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Partly sunny, with a high near 54.
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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:
3:04 pm EDT Apr 20, 2026
Forecast Valid:
5pm EDT Apr 20, 2026-6pm EDT Apr 27, 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