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

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Fair

18°F

-8°C

Humidity 59%
Wind Speed W 9 mph
Barometer 30.03 in (1016.9 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 15 Dec 6:51 pm EST
Extended Forecast for

Portland ME

  • Tonight

    Tonight: Mostly cloudy, with a low around 17. West wind 5 to 10 mph.

    Low: 17 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 32. Southwest wind 5 to 10 mph.

    High: 32 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 25 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 41. Southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 41 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Rain likely, mainly after 3am. Cloudy, with a low around 40. Breezy. Chance of precipitation is 70%.

    Low: 40 °F

    Chance Rain
    then Rain
    Likely and
    Breezy

  • Friday

    Friday: Rain, mainly before 2pm. High near 52. Breezy. Chance of precipitation is 80%.

    High: 52 °F

    Rain and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 17. West wind 5 to 10 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 32. Southwest wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 25. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 41. Southwest wind around 15 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 28. West wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 46.
Thursday Night
Rain likely, mainly after 3am. Cloudy, with a low around 40. Breezy. Chance of precipitation is 70%.
Friday
Rain, mainly before 2pm. High near 52. Breezy. Chance of precipitation is 80%.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Mostly sunny, with a high near 34.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland ME
 43.66°N 70.27°W (Elev. 7 ft)
Last Update:
6:21 pm EST Dec 15, 2025
Forecast Valid:
7pm EST Dec 15, 2025-6pm EST Dec 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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