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

36°F

2°C

Humidity 70%
Wind Speed S 12 G 21 mph
Barometer 30.26 in (1024.7 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 24 Mar 5:51 pm EDT
Extended Forecast for

Portland International Jetport ME

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 28. West wind around 10 mph.

    Low: 28 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46. West wind 5 to 10 mph.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly after 3am. Mostly cloudy, with a low around 33. South wind around 5 mph.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: A 50 percent chance of rain. Mostly cloudy, with a high near 52. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 52 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain. Low around 36. South wind around 10 mph. Chance of precipitation is 80%.

    Low: 36 °F

    Rain

  • Friday

    Friday: Rain likely, mainly before 7am. Partly sunny, with a high near 44. Chance of precipitation is 60%.

    High: 44 °F

    Rain Likely
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 15.

    Low: 15 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 28. West wind around 10 mph.
Wednesday
Mostly sunny, with a high near 46. West wind 5 to 10 mph.
Wednesday Night
A 30 percent chance of rain, mainly after 3am. Mostly cloudy, with a low around 33. South wind around 5 mph.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 52. South wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Rain. Low around 36. South wind around 10 mph. Chance of precipitation is 80%.
Friday
Rain likely, mainly before 7am. Partly sunny, with a high near 44. Chance of precipitation is 60%.
Friday Night
Mostly clear, with a low around 15.
Saturday
Mostly sunny, with a high near 33.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 26.
Monday
Partly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 45.
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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:
2:28 pm EDT Mar 24, 2026
Forecast Valid:
6pm EDT Mar 24, 2026-6pm EDT Mar 31, 2026
 
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