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

34°F

1°C

Humidity 82%
Wind Speed Calm
Barometer 29.92 in (1013.0 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 10 Mar 2:53 am EDT
Extended Forecast for

South Bristol ME

  • Overnight

    Overnight: Mostly clear, with a low around 30. Southwest wind around 5 mph.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 56. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 56 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31. Calm wind becoming northeast around 5 mph after midnight.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly after 9am. Patchy dense fog after 2pm. Otherwise, cloudy, with a high near 42. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 42 °F

    Rain Likely
    and Patchy
    Dense Fog

  • Wednesday Night

    Wednesday Night: Rain likely. Areas of dense fog. Otherwise, cloudy, with a low around 34. Southeast wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 70%.

    Low: 34 °F

    Rain Likely
    and Areas
    Dense Fog

  • Thursday

    Thursday: Rain likely, mainly before 10am. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 48. Chance of precipitation is 60%.

    High: 48 °F

    Rain Likely
    and Areas Fog

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of snow before 11pm, then rain and snow likely between 11pm and 2am, then rain likely after 2am. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.

    Low: 29 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 30. Southwest wind around 5 mph.
Tuesday
Sunny, with a high near 56. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 31. Calm wind becoming northeast around 5 mph after midnight.
Wednesday
Rain likely, mainly after 9am. Patchy dense fog after 2pm. Otherwise, cloudy, with a high near 42. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Wednesday Night
Rain likely. Areas of dense fog. Otherwise, cloudy, with a low around 34. Southeast wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 70%.
Thursday
Rain likely, mainly before 10am. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 48. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Mostly sunny, with a high near 39.
Friday Night
A chance of snow before 11pm, then rain and snow likely between 11pm and 2am, then rain likely after 2am. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.
Saturday
A 50 percent chance of rain before 11am. Partly sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 41.
Sunday Night
Rain likely. Cloudy, with a low around 32. Chance of precipitation is 60%.
Monday
Rain likely. Cloudy, with a high near 47. Breezy. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Bristol ME
 43.86°N 69.58°W (Elev. 98 ft)
Last Update:
2:27 am EDT Mar 10, 2026
Forecast Valid:
3am EDT Mar 10, 2026-6pm EDT Mar 16, 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