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

40°F

4°C

Humidity 41%
Wind Speed W 5 mph
Barometer 30.11 in (1019.6 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 17 Apr 11:51 pm EDT
Extended Forecast for

Portland International Jetport ME

  • Overnight

    Overnight: Mostly clear, with a low around 33. Southwest wind around 5 mph.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 57. West wind 5 to 10 mph becoming south 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 57 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 47. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 72. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 72 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 45. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 33. Southwest wind around 5 mph.
Friday
Increasing clouds, with a high near 57. West wind 5 to 10 mph becoming south 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 47. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly cloudy, with a high near 72. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 45. West wind around 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 35.
Monday
Mostly sunny, with a high near 53.
Monday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Tuesday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Partly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland International Jetport ME
 43.65°N 70.3°W (Elev. 52 ft)
Last Update:
10:54 pm EDT Apr 17, 2025
Forecast Valid:
12am EDT Apr 18, 2025-6pm EDT Apr 24, 2025
 
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