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.

Clear

45°F

7°C

Humidity 65%
Wind Speed NW 8 MPH
Barometer 30.41 in (1029.8 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 22 Mar 12:20 AM PDT
Extended Forecast for

2 Miles NNE Portland International Airport OR

  • Overnight

    Overnight: Areas of frost after 3am.  Otherwise, mostly clear, with a low around 33. Light north wind.

    Low: 33 °F

    Areas Frost

  • Sunday

    Sunday: Widespread frost, mainly before 8am.  Otherwise, mostly sunny, with a high near 59. Light north wind becoming north northwest 5 to 10 mph in the afternoon.

    High: 59 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37. North northwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: Patchy frost before 7am.  Otherwise, partly sunny, with a high near 58. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 58 °F

    Patchy Frost
    then Partly
    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers after 11pm.  Mostly cloudy, with a low around 45. Calm wind becoming southeast around 5 mph after midnight.

    Low: 45 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Rain.  High near 56. Chance of precipitation is 100%.

    High: 56 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 11pm.  Low around 42. Chance of precipitation is 90%.

    Low: 42 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: Rain.  Mostly cloudy, with a high near 54.

    High: 54 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 11pm.  Snow level 3000 feet lowering to 1800 feet after midnight . Partly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain
    then Partly
    Cloudy

Detailed Forecast

Overnight
Areas of frost after 3am. Otherwise, mostly clear, with a low around 33. Light north wind.
Sunday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 59. Light north wind becoming north northwest 5 to 10 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 37. North northwest wind 5 to 8 mph becoming calm after midnight.
Monday
Patchy frost before 7am. Otherwise, partly sunny, with a high near 58. Calm wind becoming west northwest around 5 mph in the afternoon.
Monday Night
A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 45. Calm wind becoming southeast around 5 mph after midnight.
Tuesday
Rain. High near 56. Chance of precipitation is 100%.
Tuesday Night
Rain, mainly before 11pm. Low around 42. Chance of precipitation is 90%.
Wednesday
Rain. Mostly cloudy, with a high near 54.
Wednesday Night
A chance of rain before 11pm. Snow level 3000 feet lowering to 1800 feet after midnight . Partly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Mostly clear, with a low around 36.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 39.
Saturday
Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Portland International Airport OR
 45.61°N 122.57°W (Elev. 200 ft)
11:41 pm PDT Mar 21, 2026
12am PDT Mar 22, 2026-6pm PDT Mar 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database