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

48°F

9°C

Humidity 66%
Wind Speed E 5 mph
Barometer 30.02 in (1016.7 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 31 Mar 5:53 am EDT
Extended Forecast for

South Bristol ME

  • Today

    Today: Rain. High near 41. Northeast wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 41 °F

    Rain then
    Rain Likely

  • Tonight

    Tonight: Rain, mainly before 3am. Patchy fog. Low around 34. Northeast wind around 5 mph becoming calm. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Rain Likely
    and Patchy
    Fog then Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: A 50 percent chance of rain after 8am. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 48. Northeast wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: A chance of rain before 3am, then a chance of freezing rain. Mostly cloudy, with a low around 28. Northeast wind around 5 mph. Chance of precipitation is 40%.

    Low: 28 °F

    Chance Rain
    then Chance
    Rain/Freezing
    Rain

  • Thursday

    Thursday: A chance of freezing rain before 10am, then a chance of sleet between 10am and 2pm, then a chance of snow after 2pm. Mostly cloudy, with a high near 38. East wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 38 °F

    Chance Wintry
    Mix

  • Thursday Night

    Thursday Night: A chance of rain and snow before 2am, then snow likely between 2am and 5am, then rain and snow likely after 5am. Cloudy, with a low around 31. Chance of precipitation is 60%.

    Low: 31 °F

    Rain/Snow
    Likely

  • Friday

    Friday: Rain likely, mainly before 7am. Cloudy, with a high near 51. Chance of precipitation is 60%.

    High: 51 °F

    Rain Likely
    then Chance
    Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

Detailed Forecast

Today
Rain. High near 41. Northeast wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain, mainly before 3am. Patchy fog. Low around 34. Northeast wind around 5 mph becoming calm. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 50 percent chance of rain after 8am. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 48. Northeast wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain before 3am, then a chance of freezing rain. Mostly cloudy, with a low around 28. Northeast wind around 5 mph. Chance of precipitation is 40%.
Thursday
A chance of freezing rain before 10am, then a chance of sleet between 10am and 2pm, then a chance of snow after 2pm. Mostly cloudy, with a high near 38. East wind 5 to 10 mph. Chance of precipitation is 40%.
Thursday Night
A chance of rain and snow before 2am, then snow likely between 2am and 5am, then rain and snow likely after 5am. Cloudy, with a low around 31. Chance of precipitation is 60%.
Friday
Rain likely, mainly before 7am. Cloudy, with a high near 51. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 52.
Saturday Night
A 40 percent chance of rain after 8pm. Cloudy, with a low around 35.
Sunday
A 50 percent chance of rain. Cloudy, with a high near 53.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 38.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 49.
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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:
2:25 am EDT Mar 31, 2026
Forecast Valid:
6am EDT Mar 31, 2026-6pm EDT Apr 6, 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