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.

A Few Clouds

41°F

5°C

Humidity 60%
Wind Speed S 5 mph
Barometer 30.03 in (1017.0 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 28 Feb 4:53 pm EST
Extended Forecast for

Montsweag ME

  • Tonight

    Tonight: Partly cloudy, with a low around 21. South wind around 5 mph becoming calm.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow, mainly between 10am and 11am. Mostly cloudy, with a high near 32. North wind around 5 mph.

    High: 32 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming clear, with a low around 1. North wind around 5 mph becoming calm after midnight.

    Low: 1 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 25. Wind chill values as low as -1. Calm wind becoming northwest around 5 mph.

    High: 25 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 7. Calm wind.

    Low: 7 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of snow after 4pm. Partly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: A chance of snow before 8pm, then rain and snow. Low around 25. Chance of precipitation is 80%.

    Low: 25 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow likely, mainly before 9am. Mostly sunny, with a high near 47. Chance of precipitation is 60%.

    High: 47 °F

    Rain/Snow
    Likely then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain and snow between 10pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.

    Low: 26 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 21. South wind around 5 mph becoming calm.
Sunday
A 30 percent chance of snow, mainly between 10am and 11am. Mostly cloudy, with a high near 32. North wind around 5 mph.
Sunday Night
Mostly cloudy, then gradually becoming clear, with a low around 1. North wind around 5 mph becoming calm after midnight.
Monday
Sunny, with a high near 25. Wind chill values as low as -1. Calm wind becoming northwest around 5 mph.
Monday Night
Mostly clear, with a low around 7. Calm wind.
Tuesday
A 30 percent chance of snow after 4pm. Partly sunny, with a high near 39.
Tuesday Night
A chance of snow before 8pm, then rain and snow. Low around 25. Chance of precipitation is 80%.
Wednesday
Rain and snow likely, mainly before 9am. Mostly sunny, with a high near 47. Chance of precipitation is 60%.
Wednesday Night
A chance of rain and snow between 10pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 45.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 50%.
Friday
A chance of rain and snow. Cloudy, with a high near 41. Chance of precipitation is 50%.
Friday Night
A 40 percent chance of rain. Cloudy, with a low around 27.
Saturday
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:
Montsweag ME
 43.96°N 69.7°W (Elev. 98 ft)
Last Update:
1:28 pm EST Feb 28, 2026
Forecast Valid:
5pm EST Feb 28, 2026-6pm EST Mar 7, 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