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

45°F

7°C

Humidity 42%
Wind Speed W 15 G 23 mph
Barometer 30.30 in (1026.2 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 25 Mar 11:51 am EDT
Extended Forecast for

Portland International Jetport ME

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 47. Southwest wind around 10 mph, with gusts as high as 25 mph.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: A 40 percent chance of rain, mainly after 2am. Increasing clouds, with a low around 34. South wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Mostly cloudy, with a high near 54. South wind 10 to 15 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain, mainly before 5am. Low around 35. South wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 80%.

    Low: 35 °F

    Rain

  • Friday

    Friday: A 30 percent chance of rain before 9am. Partly sunny, with a high near 43. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 43 °F

    Chance Rain
    then Mostly
    Sunny

  • Friday Night

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

    Low: 16 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 47. Southwest wind around 10 mph, with gusts as high as 25 mph.
Tonight
A 40 percent chance of rain, mainly after 2am. Increasing clouds, with a low around 34. South wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 54. South wind 10 to 15 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain, mainly before 5am. Low around 35. South wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 80%.
Friday
A 30 percent chance of rain before 9am. Partly sunny, with a high near 43. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 16.
Saturday
Mostly sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 48.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Mostly cloudy, with a high near 47.
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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:
6:56 am EDT Mar 25, 2026
Forecast Valid:
12pm EDT Mar 25, 2026-6pm EDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation