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.

Partly Cloudy

70°F

21°C

Humidity 82%
Wind Speed Calm
Barometer 30.04 in (1017.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 20 Aug 10:53 pm EDT
Extended Forecast for

Wiscasset ME

  • Tonight

    Tonight: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 81. North wind around 5 mph becoming east in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 54. Calm wind.

    Low: 54 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A chance of showers between 10am and 3pm, then rain likely after 3pm. Mostly cloudy, with a high near 73. East wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 73 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Rain. Patchy fog after 9pm. Low around 57. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.

    Low: 57 °F

    Rain and
    Patchy Fog

  • Sunday

    Sunday: Rain likely before 10am, then a chance of showers after 10am. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 61. Calm wind.
Friday
Mostly sunny, with a high near 81. North wind around 5 mph becoming east in the afternoon.
Friday Night
Increasing clouds, with a low around 54. Calm wind.
Saturday
A chance of showers between 10am and 3pm, then rain likely after 3pm. Mostly cloudy, with a high near 73. East wind 5 to 10 mph. Chance of precipitation is 60%.
Saturday Night
Rain. Patchy fog after 9pm. Low around 57. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Sunday
Rain likely before 10am, then a chance of showers after 10am. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 61.
Monday
Partly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wiscasset ME
 44.02°N 69.66°W (Elev. 49 ft)
Last Update:
10:36 pm EDT Aug 20, 2026
Forecast Valid:
11pm EDT Aug 20, 2026-6pm EDT Aug 27, 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