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.

Fog/Mist

37°F

3°C

Humidity 89%
Wind Speed Calm
Barometer 29.77 in (1008.0 mb)
Dewpoint 34°F (1°C)
Visibility 6.00 mi
Last update 21 Mar 1:53 am EDT
Extended Forecast for

Wiscasset Airport ME

  • Overnight

    Overnight: Cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Cloudy

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 46. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 46 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 26. Calm wind.

    Low: 26 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Snow before 1pm, then rain. High near 39. Light southeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 39 °F

    Snow then
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after midnight. Low around 25. North wind around 5 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Rain/Snow
    then Snow
    Likely

  • Monday

    Monday: A 40 percent chance of snow. Cloudy, with a high near 37.

    High: 37 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 31. Calm wind.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 46. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Increasing clouds, with a low around 26. Calm wind.
Sunday
Snow before 1pm, then rain. High near 39. Light southeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Rain and snow, becoming all snow after midnight. Low around 25. North wind around 5 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Monday
A 40 percent chance of snow. Cloudy, with a high near 37.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
Sunny, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
A chance of snow before 11am, then a chance of rain between 11am and 5pm, then a chance of rain and snow after 5pm. Partly sunny, with a high near 45. Chance of precipitation is 30%.
Wednesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 19.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 41.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.
Friday
Rain and snow likely. Partly sunny, with a high near 42. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wiscasset Airport ME
 43.96°N 69.67°W (Elev. 3 ft)
Last Update:
2:17 am EDT Mar 21, 2026
Forecast Valid:
2am EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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