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

72°F

22°C

Humidity 34%
Wind Speed NW 10 G 23 mph
Barometer 29.93 in (1013.4 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 6 Sep 5:51 pm EDT
Extended Forecast for

Portland International Jetport ME

  • This Afternoon

    This Afternoon: Isolated showers. Mostly sunny, with a high near 69. North wind around 10 mph. Chance of precipitation is 20%.

    High: 69 °F

    Isolated
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 53. Northwest wind around 5 mph.

    Low: 53 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Sunny, with a high near 78. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 56. West wind 5 to 10 mph.

    Low: 56 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 77. Northwest wind around 10 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 69.

    High: 69 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 11pm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers before 9am. Partly sunny, with a high near 85.

    High: 85 °F

    Chance
    Showers then
    Partly Sunny

Detailed Forecast

This Afternoon
Isolated showers. Mostly sunny, with a high near 69. North wind around 10 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 53. Northwest wind around 5 mph.
Labor Day
Sunny, with a high near 78. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Increasing clouds, with a low around 56. West wind 5 to 10 mph.
Tuesday
Sunny, with a high near 77. Northwest wind around 10 mph.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly cloudy, with a high near 69.
Wednesday Night
Showers likely, mainly after 11pm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers before 9am. Partly sunny, with a high near 85.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 77.
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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:
2:25 pm EDT Sep 6, 2026
Forecast Valid:
5pm EDT Sep 6, 2026-6pm EDT Sep 13, 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