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.

Fair

61°F

16°C

Humidity NA
Wind Speed W 5 mph
Barometer 30.11 in (1019.7 mb)
Dewpoint N/A
Visibility NA
Last update 15 Aug 12:51 am EDT
Extended Forecast for

Portland International Jetport ME

  • Overnight

    Overnight: Mostly clear, with a low around 57. Northwest wind around 5 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77. North wind 5 to 10 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. Southwest wind around 5 mph becoming northwest after midnight.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 71. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 71 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Rain, mainly after 10pm. Low around 61. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 61 °F

    Rain

  • Monday

    Monday: Rain before 11am, then a chance of showers between 11am and 2pm. High near 75. Chance of precipitation is 80%.

    High: 75 °F

    Rain then
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 57. Northwest wind around 5 mph.
Saturday
Sunny, with a high near 77. North wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 53. Southwest wind around 5 mph becoming northwest after midnight.
Sunday
Increasing clouds, with a high near 71. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Rain, mainly after 10pm. Low around 61. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Monday
Rain before 11am, then a chance of showers between 11am and 2pm. High near 75. Chance of precipitation is 80%.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 85.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 63.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Sunny, with a high near 82.
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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:
7:14 pm EDT Aug 14, 2026
Forecast Valid:
1am EDT Aug 15, 2026-6pm EDT Aug 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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