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.

Mostly Cloudy and Breezy

68°F

20°C

Humidity 28%
Wind Speed W 21 G 41 mph
Barometer 29.68 in (1004.9 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 4 May 12:51 pm EDT
Extended Forecast for

Portland International Jetport ME

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 65. West wind around 15 mph, with gusts as high as 30 mph.

    High: 65 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 47. Southwest wind 5 to 10 mph.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67. South wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 67 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 52. South wind 10 to 15 mph.

    Low: 52 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers likely, mainly after 5pm. Mostly cloudy, with a high near 60. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 60 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers, mainly before 2am. Low around 46. Chance of precipitation is 80%.

    Low: 46 °F

    Showers

  • Thursday

    Thursday: A 30 percent chance of showers. Partly sunny, with a high near 58.

    High: 58 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers before 10am. Partly sunny, with a high near 57.

    High: 57 °F

    Chance
    Showers then
    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 65. West wind around 15 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 47. Southwest wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 67. South wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 52. South wind 10 to 15 mph.
Wednesday
Showers likely, mainly after 5pm. Mostly cloudy, with a high near 60. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Wednesday Night
Showers, mainly before 2am. Low around 46. Chance of precipitation is 80%.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 58.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 42.
Friday
A 30 percent chance of showers before 10am. Partly sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 40.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 60.
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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:
7:24 am EDT May 4, 2026
Forecast Valid:
1pm EDT May 4, 2026-6pm EDT May 10, 2026
 
Forecast Discussion
 
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Additional Resources

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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