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

25°F

-4°C

Humidity 100%
Wind Speed Calm
Barometer 29.86 in (1011.1 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 6 Dec 7:51 pm EST
Extended Forecast for

2 Miles NW Cousins Island ME

  • Tonight

    Tonight: Partly cloudy, with a low around 20. West wind around 5 mph.

    Low: 20 °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 midnight. 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
    then Chance
    Snow

  • 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 20. West wind around 5 mph.
Sunday
Increasing clouds, with a high near 33. North wind around 5 mph.
Sunday Night
Snow likely, mainly before midnight. 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 NW Cousins Island ME
 43.78°N 70.17°W (Elev. 13 ft)
Last Update:
7:43 pm EST Dec 6, 2025
Forecast Valid:
8pm EST Dec 6, 2025-6pm EST Dec 13, 2025
 
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