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

54°F

12°C

Humidity 87%
Wind Speed Calm
Barometer 30.12 in (1019.9 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 4 Oct 10:53 pm EDT
Extended Forecast for

Westport Island ME

  • Tonight

    Tonight: Scattered showers, mainly after 5am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 51. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Scattered
    Showers and
    Patchy Fog

  • Monday

    Monday: Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 63. Light west wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 30 mph.

    High: 63 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 43. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 43 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 55. West wind around 15 mph, with gusts as high as 30 mph.

    High: 55 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41. Northwest wind around 5 mph becoming calm in the evening.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers, mainly after 5am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 51. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 63. Light west wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 30 mph.
Monday Night
Clear, with a low around 43. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 55. West wind around 15 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 41. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Westport Island ME
 43.9°N 69.72°W (Elev. 20 ft)
Last Update:
7:14 pm EDT Oct 4, 2026
Forecast Valid:
11pm EDT Oct 4, 2026-6pm EDT Oct 11, 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