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.

Mostly Cloudy

26°F

-3°C

Humidity 92%
Wind Speed SW 5 mph
Barometer 29.84 in (1010.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 6 Dec 6:51 pm EST
Extended Forecast for

2 Miles NNW Cousins Island ME

  • Tonight

    Tonight: Partly cloudy, with a low around 18. West wind around 5 mph.

    Low: 18 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 33. North wind around 5 mph.

    High: 33 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Snow likely, mainly before 2am. Mostly cloudy, with a low around 13. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 13 °F

    Snow Likely

  • Monday

    Monday: Sunny, with a high near 23. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 23 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 5. Northwest wind around 5 mph.

    Low: 5 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow between 10pm and 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.

    Low: 21 °F

    Chance Snow

  • Wednesday

    Wednesday: A chance of rain and snow between noon and 1pm, then rain likely. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.

    High: 39 °F

    Mostly Cloudy
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Rain likely before 1am, then a chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.

    Low: 25 °F

    Rain Likely
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 18. West wind around 5 mph.
Sunday
Increasing clouds, with a high near 33. North wind around 5 mph.
Sunday Night
Snow likely, mainly before 2am. Mostly cloudy, with a low around 13. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Monday
Sunny, with a high near 23. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 5. Northwest wind around 5 mph.
Tuesday
Partly sunny, with a high near 31.
Tuesday Night
A chance of snow between 10pm and 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Wednesday
A chance of rain and snow between noon and 1pm, then rain likely. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.
Wednesday Night
Rain likely before 1am, then a chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.
Thursday
A chance of snow before 9am, then a chance of rain between 9am and noon. Partly sunny, with a high near 38. Chance of precipitation is 30%.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 18.
Friday
Partly sunny, with a high near 34.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 15.
Saturday
A 30 percent chance of snow. Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Cousins Island ME
 43.78°N 70.17°W (Elev. 13 ft)
Last Update:
1:02 pm EST Dec 6, 2025
Forecast Valid:
7pm EST Dec 6, 2025-6pm EST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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