National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Wiscasset Airport (KIWI)

Lat: 43.96°NLon: 69.71°WElev: 53ft.

Fair

54°F

12°C

Humidity 90%
Wind Speed SW 3 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 16 May 6:53 am EDT
Extended Forecast for

Westport Island ME

  • Today

    Today: Sunny, with a high near 61. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 25 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers between 2am and 3am. Partly cloudy, with a low around 52. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 52 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 68. West wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47. Northwest wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 58. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers after 3pm. Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 61. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 25 mph.
Tonight
A slight chance of showers between 2am and 3am. Partly cloudy, with a low around 52. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 68. West wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 47. Northwest wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 58. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
A 30 percent chance of showers after 3pm. Mostly sunny, with a high near 69.
Wednesday Night
A 30 percent chance of showers before 9pm. Mostly cloudy, with a low around 50.
Thursday
Partly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westport Island ME
 43.9°N 69.72°W (Elev. 20 ft)
Last Update:
6:50 am EDT May 16, 2026
Forecast Valid:
7am EDT May 16, 2026-6pm EDT May 22, 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