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

21°F

-6°C

Humidity 74%
Wind Speed Calm
Barometer 30.47 in (1031.8 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 29 Mar 2:51 am EDT
Extended Forecast for

Portland International Jetport ME

  • Overnight

    Overnight: Mostly clear, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 45. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 45 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 33. Southwest wind 5 to 10 mph.

    Low: 33 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 57. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 57 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. Southwest wind around 5 mph becoming calm after midnight.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.

    High: 49 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.

    Low: 37 °F

    Rain Likely

  • Wednesday

    Wednesday: A 50 percent chance of rain. Mostly cloudy, with a high near 59.

    High: 59 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.

    Low: 30 °F

    Chance
    Rain/Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 23. Calm wind.
Sunday
Increasing clouds, with a high near 45. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Increasing clouds, with a low around 33. Southwest wind 5 to 10 mph.
Monday
Mostly cloudy, with a high near 57. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 40. Southwest wind around 5 mph becoming calm after midnight.
Tuesday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 59.
Wednesday Night
A chance of rain before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Thursday
A 30 percent chance of snow before 9am. Mostly cloudy, with a high near 42.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 28.
Friday
A chance of rain and snow. Cloudy, with a high near 39. Chance of precipitation is 40%.
Friday Night
A chance of rain and snow. Cloudy, with a low around 29. Chance of precipitation is 50%.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 44.
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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:
2:27 am EDT Mar 29, 2026
Forecast Valid:
3am EDT Mar 29, 2026-6pm EDT Apr 4, 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