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

81°F

27°C

Humidity 30%
Wind Speed NA
Barometer 29.97 in (1014.8 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 7 Sep 2:53 pm EDT
Extended Forecast for

Montsweag ME

  • Tonight

    Tonight: Mostly clear, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 80. North wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 80 °F

    Chance
    Showers then
    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 51. Calm wind.

    Low: 51 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 74. Light east wind becoming southeast 5 to 10 mph in the morning.

    High: 74 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 63. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 63 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before 7am. Mostly sunny, with a high near 86. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
A 30 percent chance of showers, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 80. North wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Increasing clouds, with a low around 51. Calm wind.
Wednesday
Mostly cloudy, with a high near 74. Light east wind becoming southeast 5 to 10 mph in the morning.
Wednesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 63. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Thursday
Showers likely, mainly before 7am. Mostly sunny, with a high near 86. Chance of precipitation is 60%.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Montsweag ME
 43.96°N 69.7°W (Elev. 98 ft)
Last Update:
2:24 pm EDT Sep 7, 2026
Forecast Valid:
3pm EDT Sep 7, 2026-6pm EDT Sep 14, 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