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

66°F

19°C

Humidity 87%
Wind Speed Calm
Barometer 29.84 in (1010.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 19 May 11:53 pm EDT
Extended Forecast for

Wiscasset ME

  • Tonight

    Tonight: Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 65. Southwest wind around 5 mph.

    Low: 65 °F

    Patchy Fog

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. West wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 48. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 65. Northwest wind around 10 mph.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 39. Northwest wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 65. Southwest wind around 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. West wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 48. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 65. Northwest wind around 10 mph.
Thursday Night
Mostly clear, with a low around 39. Northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Partly sunny, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 59.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 43.
Memorial Day
A 50 percent chance of showers. Mostly cloudy, with a high near 61.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
Partly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wiscasset ME
 44.02°N 69.66°W (Elev. 49 ft)
Last Update:
11:25 pm EDT May 19, 2026
Forecast Valid:
11pm EDT May 19, 2026-6pm EDT May 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation