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

85°F

29°C

Humidity 39%
Wind Speed SW 10 G 21 mph
Barometer 29.91 in (1012.7 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 10 Aug 3:53 pm EDT
Extended Forecast for

Montsweag ME

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 85. Light west wind becoming northwest 5 to 10 mph in the morning.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. West wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. Calm wind becoming west around 5 mph in the morning.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers after 2pm. Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Sunny, with a high near 85. Light west wind becoming northwest 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 62. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 83. Calm wind becoming west around 5 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 60. Calm wind.
Thursday
A 40 percent chance of showers after 2pm. Mostly sunny, with a high near 80.
Thursday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 56.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 77.
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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:
4:43 pm EDT Aug 10, 2026
Forecast Valid:
4pm EDT Aug 10, 2026-6pm EDT Aug 17, 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