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

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Fair

61°F

16°C

Humidity 65%
Wind Speed W 7 mph
Barometer 30.10 in (1019.1 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 7 Sep 10:51 pm EDT
Extended Forecast for

2 Miles NNW Cousins Island ME

  • Tonight

    Tonight: Partly cloudy, with a low around 58. West wind around 5 mph.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers before 11am. Cloudy through mid morning, then gradual clearing, with a high near 78. Northwest wind around 5 mph becoming west in the afternoon.

    High: 78 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 52. Calm wind becoming northeast around 5 mph.

    Low: 52 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 72. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 72 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 3am. Mostly cloudy, with a low around 63. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before 7am. Mostly sunny, with a high near 83. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 58. West wind around 5 mph.
Tuesday
A 20 percent chance of showers before 11am. Cloudy through mid morning, then gradual clearing, with a high near 78. Northwest wind around 5 mph becoming west in the afternoon.
Tuesday Night
Increasing clouds, with a low around 52. Calm wind becoming northeast around 5 mph.
Wednesday
Mostly cloudy, with a high near 72. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Showers likely, mainly after 3am. Mostly cloudy, with a low around 63. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Thursday
Showers likely, mainly before 7am. Mostly sunny, with a high near 83. Chance of precipitation is 60%.
Thursday Night
Mostly cloudy, with a low around 58.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Cousins Island ME
 43.78°N 70.17°W (Elev. 13 ft)
Last Update:
2:24 pm EDT Sep 7, 2026
Forecast Valid:
11pm EDT Sep 7, 2026-6pm EDT Sep 14, 2026
 
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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