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

71°F

22°C

Humidity 55%
Wind Speed Vrbl 3 mph
Barometer 29.69 in (1005.5 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 12 Oct 4:53 pm EDT
Extended Forecast for

Westport Island ME

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. Northwest wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 20 mph.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain, mainly after 10am. High near 51. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain Likely
    then Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 3am. Low around 51. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 51 °F

    Rain

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 63. Northwest wind 5 to 10 mph.

    High: 63 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49. Northwest wind 5 to 10 mph.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Showers, mainly after 7am. High near 55. Chance of precipitation is 80%.

    High: 55 °F

    Showers

  • Friday Night

    Friday Night: Showers, mainly before 1am. Low around 43. Breezy. Chance of precipitation is 80%.

    Low: 43 °F

    Showers and
    Breezy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 44. Northwest wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 20 mph.
Tuesday
Rain, mainly after 10am. High near 51. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain, mainly before 3am. Low around 51. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 63. Northwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 49. Northwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Showers, mainly after 7am. High near 55. Chance of precipitation is 80%.
Friday Night
Showers, mainly before 1am. Low around 43. Breezy. Chance of precipitation is 80%.
Saturday
Mostly sunny, with a high near 48. Windy.
Saturday Night
Partly cloudy, with a low around 35. Breezy.
Sunday
Sunny, with a high near 48. Breezy.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 56.
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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:
2:23 pm EDT Oct 12, 2026
Forecast Valid:
5pm EDT Oct 12, 2026-6pm EDT Oct 19, 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