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.

Overcast

44°F

7°C

Humidity 89%
Wind Speed N 10 mph
Barometer 29.64 in (1003.8 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 27 Mar 4:51 am EDT
Extended Forecast for

Portland International Jetport ME

  • Overnight

    Overnight: A 20 percent chance of showers. Mostly cloudy, with a low around 35. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Slight Chance
    Showers

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 40. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 40 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 18. North wind 5 to 10 mph.

    Low: 18 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 32. North wind around 5 mph.

    High: 32 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 19. Northwest wind around 5 mph becoming calm.

    Low: 19 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 35. North wind around 10 mph, with gusts as high as 20 mph.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 40. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 18. North wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 32. North wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 19. Northwest wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 43.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Partly sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
A 40 percent chance of rain after 10am. Mostly cloudy, with a high near 47.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 55.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 52.
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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:
2:22 am EDT Mar 27, 2026
Forecast Valid:
5am EDT Mar 27, 2026-6pm EDT Apr 2, 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