Current conditions at

Wiscasset Airport (KIWI)

Lat: 43.96°NLon: 69.71°WElev: 53ft.

Overcast

35°F

2°C

Humidity 85%
Wind Speed Calm
Barometer 29.99 in (1015.6 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 18 Jan 2:53 pm EST
Extended Forecast for

South Bristol ME

Winter Weather Advisory January 18, 03:21pm until January 19, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 18, 03:21pm until January 19, 01:00pm

    NOW until 1:00pm Mon

    Winter Weather Advisory

  • This Afternoon

    High: 35 °F

    Slight Chance
    Snow Showers

  • Tonight

    Tonight: Snow, mainly before 4am. The snow could be heavy at times.  Low around 21. Calm wind becoming north around 5 mph in the evening.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 21 °F

    Heavy Snow

  • M.L.King Day

    M.L.King Day: Snow likely, mainly between noon and 1pm, then a chance of snow showers after 1pm.  Cloudy, with a high near 32. North wind around 5 mph becoming southwest in the afternoon.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 32 °F

    Snow Likely

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 15. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 15 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 23 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow after 7pm.  Cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow

Detailed Forecast

This Afternoon
A 20 percent chance of snow showers. Cloudy, with a high near 35. West wind around 5 mph becoming calm.
Tonight
Snow, mainly before 4am. The snow could be heavy at times. Low around 21. Calm wind becoming north around 5 mph in the evening. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
M.L.King Day
Snow likely, mainly between noon and 1pm, then a chance of snow showers after 1pm. Cloudy, with a high near 32. North wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 15. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 23. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 7.
Wednesday
Mostly sunny, with a high near 30.
Wednesday Night
A 50 percent chance of snow after 7pm. Cloudy, with a low around 21.
Thursday
A chance of rain and snow before noon, then a chance of rain between noon and 4pm. Partly sunny, with a high near 38. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Mostly sunny, with a high near 25.
Friday Night
Mostly cloudy, with a low around 7.
Saturday
Partly sunny, with a high near 19.
Saturday Night
Mostly cloudy, with a low around 2.
Sunday
Partly sunny, with a high near 15.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
South Bristol ME
 43.88°N 69.57°W (Elev. 3 ft)
1:02 pm EST Jan 18, 2026
3pm EST Jan 18, 2026-6pm EST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database