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

76°F

24°C

Humidity 40%
Wind Speed Vrbl 7 mph
Barometer 29.90 in (1012.6 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 26 Jul 3:53 pm EDT
Extended Forecast for

Montsweag ME

  • Tonight

    Tonight: Mostly clear, with a low around 49. Southeast wind around 5 mph becoming calm.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Light southeast wind becoming south 5 to 10 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Patchy Fog

  • Wednesday

    Wednesday: A 50 percent chance of rain after 9am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 73.

    High: 73 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: Rain likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.

    Low: 57 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 49. Southeast wind around 5 mph becoming calm.
Monday
Sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 56. Calm wind.
Tuesday
Mostly sunny, with a high near 78. Light southeast wind becoming south 5 to 10 mph in the afternoon.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 59. Calm wind.
Wednesday
A 50 percent chance of rain after 9am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 73.
Wednesday Night
Rain likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.
Thursday
Showers likely. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 60.
Friday
A 30 percent chance of showers before 5pm. Partly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 82.
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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:
2:35 pm EDT Jul 26, 2026
Forecast Valid:
4pm EDT Jul 26, 2026-6pm EDT Aug 2, 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