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.

A Few Clouds

33°F

1°C

Humidity 75%
Wind Speed NW 7 mph
Barometer 30.09 in (1019.1 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 14 Mar 9:51 pm EDT
Extended Forecast for

Portland International Jetport ME

  • Tonight

    Tonight: Mostly clear, with a low around 25. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 40. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 40 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly after 3am. Mostly cloudy, with a low around 31. South wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday

    Monday: Rain. High near 50. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.

    High: 50 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: Rain. Low around 42. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%.

    Low: 42 °F

    Rain and
    Breezy

  • Tuesday

    Tuesday: Rain likely before 8am. Mostly sunny, with a high near 45. Chance of precipitation is 60%.

    High: 45 °F

    Rain Likely
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 25. West wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 40. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
A 30 percent chance of rain, mainly after 3am. Mostly cloudy, with a low around 31. South wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain. High near 50. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Monday Night
Rain. Low around 42. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%.
Tuesday
Rain likely before 8am. Mostly sunny, with a high near 45. Chance of precipitation is 60%.
Tuesday Night
Mostly clear, with a low around 16.
Wednesday
Sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Mostly cloudy, with a high near 41.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 43.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 24.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 40%.
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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:
6:37 pm EDT Mar 14, 2026
Forecast Valid:
10pm EDT Mar 14, 2026-6pm EDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation