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

77°F

25°C

Humidity 47%
Wind Speed W 8 mph
Barometer 29.75 in (1007.2 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 22 Jul 7:51 pm EDT
Extended Forecast for

Portland International Jetport ME

  • Tonight

    Tonight: Partly cloudy, with a low around 58. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 78. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 53. South wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 78. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. South wind around 5 mph becoming calm after midnight.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 58. West wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 78. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Thursday Night
Clear, with a low around 53. South wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 78. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 56. South wind around 5 mph becoming calm after midnight.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 82.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 61.
Wednesday
A 50 percent chance of showers. Partly sunny, with a high near 81.
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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:
4:33 pm EDT Jul 22, 2026
Forecast Valid:
8pm EDT Jul 22, 2026-6pm EDT Jul 29, 2026
 
Forecast Discussion
 
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Additional Resources

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