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.

Fair

39°F

4°C

Humidity 53%
Wind Speed NW 3 mph
Barometer 30.34 in (1027.4 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 11 Apr 11:53 pm EDT
Extended Forecast for

Montsweag ME

  • Overnight

    Overnight: Clear, with a low around 30. Calm wind.

    Low: 30 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 54. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 54 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Rain, mainly after 1am. Low around 36. South wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Slight Chance
    Rain then
    Rain

  • Monday

    Monday: Rain before 10am, then showers likely, mainly between 10am and 4pm. High near 59. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 59 °F

    Rain

  • Monday Night

    Monday Night: A 30 percent chance of showers before 9pm. Mostly cloudy, with a low around 47. Southwest wind around 5 mph becoming calm after midnight.

    Low: 47 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers after 3pm. Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 30. Calm wind.
Sunday
Increasing clouds, with a high near 54. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Rain, mainly after 1am. Low around 36. South wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain before 10am, then showers likely, mainly between 10am and 4pm. High near 59. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of showers before 9pm. Mostly cloudy, with a low around 47. Southwest wind around 5 mph becoming calm after midnight.
Tuesday
Partly sunny, with a high near 67.
Tuesday Night
A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 45.
Wednesday
A 30 percent chance of showers after 3pm. Mostly cloudy, with a high near 64.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 45.
Thursday
A chance of showers before 11am, then a chance of showers after 1pm. Mostly cloudy, with a high near 63. Chance of precipitation is 30%.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 45.
Friday
Partly sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Partly sunny, with a high near 58.
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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:
11:53 pm EDT Apr 11, 2026
Forecast Valid:
12am EDT Apr 12, 2026-6pm EDT Apr 18, 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