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

37°F

3°C

Humidity 86%
Wind Speed Vrbl 3 mph
Barometer 29.82 in (1009.7 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 21 Mar 8:53 am EDT
Extended Forecast for

Montsweag ME

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 46. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 46 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 27. Calm wind.

    Low: 27 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Snow before 1pm, then snow, possibly mixed with rain between 1pm and 2pm, then rain after 2pm. High near 39. Southeast wind 5 to 10 mph. 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 before 9pm, then rain and snow likely between 9pm and 11pm, then snow likely after 11pm. 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. North wind 5 to 10 mph, with gusts as high as 20 mph.

    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

  • Wednesday

    Wednesday: A chance of snow between 9am and 11am, then a chance of rain after 11am. Partly sunny, with a high near 45. Chance of precipitation is 30%.

    High: 45 °F

    Chance
    Rain/Snow
    then Chance
    Rain

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 46. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 27. Calm wind.
Sunday
Snow before 1pm, then snow, possibly mixed with rain between 1pm and 2pm, then rain after 2pm. High near 39. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Rain before 9pm, then rain and snow likely between 9pm and 11pm, then snow likely after 11pm. 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. North wind 5 to 10 mph, with gusts as high as 20 mph.
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 between 9am and 11am, then a chance of rain after 11am. Partly sunny, with a high near 45. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 20.
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:
Montsweag ME
 43.96°N 69.73°W (Elev. 69 ft)
Last Update:
6:50 am EDT Mar 21, 2026
Forecast Valid:
9am EDT Mar 21, 2026-6pm EDT Mar 27, 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