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

39°F

4°C

Humidity 89%
Wind Speed Calm
Barometer 29.87 in (1011.6 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 1 Apr 12:53 am EDT
Extended Forecast for

Montsweag ME

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm before 5am, then a slight chance of showers and thunderstorms after 5am. Areas of fog. Otherwise, cloudy, with a low around 36. Calm wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 36 °F

    Showers
    Likely and
    Areas Fog

  • Wednesday

    Wednesday: A 20 percent chance of showers before 9am. Areas of fog before noon. Otherwise, mostly cloudy, with a high near 54. Light northwest wind becoming north 5 to 10 mph in the morning.

    High: 54 °F

    Slight Chance
    Showers and
    Areas Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 2am, then a slight chance of snow between 2am and 3am, then a slight chance of sleet after 3am. Mostly cloudy, with a low around 28. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Rain then
    Slight Chance
    Wintry Mix

  • Thursday

    Thursday: A chance of snow after 1pm, mixing with sleet after 5pm. Mostly cloudy, with a high near 40. East wind around 5 mph. Chance of precipitation is 30%.

    High: 40 °F

    Mostly Cloudy
    then Chance
    Snow/Sleet

  • Thursday Night

    Thursday Night: A chance of rain, snow, and sleet before 1am, then snow likely between 1am and 5am, then rain and snow likely after 5am. Cloudy, with a low around 30. East wind around 5 mph becoming calm. Chance of precipitation is 60%. Little or no snow and sleet accumulation expected.

    Low: 30 °F

    Wintry Mix
    Likely

  • Friday

    Friday: Rain likely, mainly before 7am. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.

    High: 54 °F

    Rain Likely
    then Mostly
    Cloudy

  • Friday Night

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

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of rain after 8pm. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm before 5am, then a slight chance of showers and thunderstorms after 5am. Areas of fog. Otherwise, cloudy, with a low around 36. Calm wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 20 percent chance of showers before 9am. Areas of fog before noon. Otherwise, mostly cloudy, with a high near 54. Light northwest wind becoming north 5 to 10 mph in the morning.
Wednesday Night
A slight chance of rain before 2am, then a slight chance of snow between 2am and 3am, then a slight chance of sleet after 3am. Mostly cloudy, with a low around 28. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
A chance of snow after 1pm, mixing with sleet after 5pm. Mostly cloudy, with a high near 40. East wind around 5 mph. Chance of precipitation is 30%.
Thursday Night
A chance of rain, snow, and sleet before 1am, then snow likely between 1am and 5am, then rain and snow likely after 5am. Cloudy, with a low around 30. East wind around 5 mph becoming calm. Chance of precipitation is 60%. Little or no snow and sleet accumulation expected.
Friday
Rain likely, mainly before 7am. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 57.
Saturday Night
A 40 percent chance of rain after 8pm. Mostly cloudy, with a low around 35.
Sunday
Rain likely, mainly after 9am. Cloudy, with a high near 55. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Mostly sunny, with a high near 47.
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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:
7:56 pm EDT Mar 31, 2026
Forecast Valid:
1am EDT Apr 1, 2026-6pm EDT Apr 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