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.

A Few Clouds

61°F

16°C

Humidity 90%
Wind Speed Calm
Barometer 29.87 in (1011.6 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 19 Aug 3:53 am EDT
Extended Forecast for

Montsweag ME

  • Today

    Today: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 82. Light southwest wind becoming south 5 to 10 mph in the afternoon.

    High: 82 °F

    Areas Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.

    High: 84 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Cloudy during the early evening, then gradual clearing, with a low around 57. Calm wind.

    Low: 57 °F

    Gradual
    Clearing

  • Friday

    Friday: Sunny, with a high near 83. North wind around 5 mph.

    High: 83 °F

    Sunny

  • Friday Night

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

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 75.

    High: 75 °F

    Chance
    Showers

Detailed Forecast

Today
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 82. Light southwest wind becoming south 5 to 10 mph in the afternoon.
Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 60. Calm wind.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Cloudy during the early evening, then gradual clearing, with a low around 57. Calm wind.
Friday
Sunny, with a high near 83. North wind around 5 mph.
Friday Night
Mostly clear, with a low around 54.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 56.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 75.
Sunday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 58.
Monday
Partly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Montsweag ME
 43.96°N 69.73°W (Elev. 69 ft)
Last Update:
2:20 am EDT Aug 19, 2026
Forecast Valid:
4am EDT Aug 19, 2026-6pm EDT Aug 25, 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