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

78°F

26°C

Humidity 39%
Wind Speed NW 12 G 18 mph
Barometer 30.16 in (1021.2 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 8 Sep 2:51 pm EDT
Extended Forecast for

Portland International Jetport ME

  • Tonight

    Tonight: Increasing clouds, with a low around 52. Calm wind becoming northeast around 5 mph after midnight.

    Low: 52 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Cloudy, with a high near 72. East wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 72 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after midnight. Cloudy, with a low around 66. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 66 °F

    Showers
    Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 85. West wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 56. Northwest wind 5 to 10 mph.

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 52. Calm wind becoming northeast around 5 mph after midnight.
Wednesday
Cloudy, with a high near 72. East wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Showers likely, mainly after midnight. Cloudy, with a low around 66. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly sunny, with a high near 85. West wind 10 to 15 mph, with gusts as high as 30 mph.
Thursday Night
Mostly cloudy, with a low around 56. Northwest wind 5 to 10 mph.
Friday
Sunny, with a high near 73.
Friday Night
Clear, with a low around 51.
Saturday
Sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Mostly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 72.
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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:
2:27 pm EDT Sep 8, 2026
Forecast Valid:
3pm EDT Sep 8, 2026-6pm EDT Sep 15, 2026
 
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