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

49°F

9°C

Humidity 69%
Wind Speed Vrbl 3 mph
Barometer 30.13 in (1020.4 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 21 May 6:53 am EDT
Extended Forecast for

South Bristol ME

  • Today

    Today: Partly sunny, with a high near 54. East wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 54 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. East wind around 10 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Scattered showers, mainly after 3pm. Cloudy, with a high near 53. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Scattered
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Rain. Low around 45. Breezy, with a northeast wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%.

    Low: 45 °F

    Rain and
    Breezy

  • Friday

    Friday: Rain likely, mainly before 2pm. Mostly cloudy, with a high near 54. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 54 °F

    Rain Likely

  • Friday Night

    Friday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Saturday

    Saturday: A 40 percent chance of showers. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 54. East wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 44. East wind around 10 mph, with gusts as high as 20 mph.
Thursday
Scattered showers, mainly after 3pm. Cloudy, with a high near 53. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain. Low around 45. Breezy, with a northeast wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%.
Friday
Rain likely, mainly before 2pm. Mostly cloudy, with a high near 54. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 43.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 55.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 45.
Memorial Day
Mostly sunny, with a high near 64.
Monday Night
Mostly cloudy, with a low around 47.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Bristol ME
 43.88°N 69.57°W (Elev. 3 ft)
Last Update:
2:43 am EDT May 21, 2025
Forecast Valid:
7am EDT May 21, 2025-6pm EDT May 27, 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