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.

Partly Cloudy

44°F

7°C

Humidity 68%
Wind Speed S 7 mph
Barometer 30.15 in (1021.0 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 4 Mar 4:51 pm EST
Extended Forecast for

Portland International Jetport ME

  • Tonight

    Tonight: Partly cloudy, with a low around 23. Southwest wind around 5 mph becoming calm in the evening.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 37. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 37 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Snow likely, mainly after 4am. Cloudy, with a low around 21. Northeast wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 21 °F

    Chance Snow
    then Snow
    Likely

  • Friday

    Friday: Snow likely, mainly before noon. Cloudy, with a high near 33. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Snow Likely

  • Friday Night

    Friday Night: Cloudy, with a low around 26. East wind around 5 mph becoming calm in the evening.

    Low: 26 °F

    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 45.

    High: 45 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of rain between 8pm and 3am. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.

    Low: 35 °F

    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 23. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 37. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Snow likely, mainly after 4am. Cloudy, with a low around 21. Northeast wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Snow likely, mainly before noon. Cloudy, with a high near 33. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
Cloudy, with a low around 26. East wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 45.
Saturday Night
A chance of rain between 8pm and 3am. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Sunny, with a high near 57.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 37.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland International Jetport ME
 43.65°N 70.3°W (Elev. 52 ft)
Last Update:
3:35 pm EST Mar 4, 2026
Forecast Valid:
4pm EST Mar 4, 2026-6pm EDT Mar 11, 2026
 
Forecast Discussion
 
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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