National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Portland, Portland International Airport (KPDX)

Lat: 45.59578°NLon: 122.60917°WElev: 20.0ft.

Overcast

46°F

8°C

Humidity 61%
Wind Speed N 9 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 21 Mar 11:00 AM PDT
Extended Forecast for

Portland ORSimilar City Names

  • Today

    Today: Sunny, with a high near 56. North northwest wind around 6 mph.

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Areas of frost after 3am. Otherwise, mostly clear, with a low around 35. North northwest wind around 6 mph becoming calm in the evening.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Sunday

    Sunday: Areas of frost before 9am. Otherwise, mostly sunny, with a high near 58. Calm wind becoming north northwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 58 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38. North northwest wind 5 to 8 mph, with gusts as high as 18 mph.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 57. Light west northwest wind.

    High: 57 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of rain after 11pm. Cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain. High near 58. Chance of precipitation is 90%.

    High: 58 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 11pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Rain

  • Wednesday

    Wednesday: Rain, mainly after 11am. Mostly cloudy, with a high near 56.

    High: 56 °F

    Rain

Detailed Forecast

Today
Sunny, with a high near 56. North northwest wind around 6 mph.
Tonight
Areas of frost after 3am. Otherwise, mostly clear, with a low around 35. North northwest wind around 6 mph becoming calm in the evening.
Sunday
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 58. Calm wind becoming north northwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around 38. North northwest wind 5 to 8 mph, with gusts as high as 18 mph.
Monday
Partly sunny, with a high near 57. Light west northwest wind.
Monday Night
A 40 percent chance of rain after 11pm. Cloudy, with a low around 45.
Tuesday
Rain. High near 58. Chance of precipitation is 90%.
Tuesday Night
Rain, mainly before 11pm. Mostly cloudy, with a low around 43.
Wednesday
Rain, mainly after 11am. Mostly cloudy, with a high near 56.
Wednesday Night
A chance of rain before 11pm. Partly cloudy, with a low around 38.
Thursday
A slight chance of rain. Snow level 2000 feet rising to 2900 feet in the afternoon. Mostly sunny, with a high near 57.
Thursday Night
Mostly clear, with a low around 37.
Friday
Sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland ORSimilar City Names
 45.53°N 122.67°W (Elev. 200 ft)
Last Update:
10:41 am PDT Mar 21, 2026
Forecast Valid:
11am PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
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Additional Resources

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Chance of Precipitation