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

54°F

12°C

Humidity 81%
Wind Speed E 8 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 20 Mar 06:35 AM PDT
Extended Forecast for

Portland OR

  • Today

    Today: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 63. South southwest wind around 6 mph becoming west in the afternoon. Chance of precipitation is 60%.

    High: 63 °F

    Chance Rain
    then Rain
    Likely

  • Tonight

    Tonight: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 42. Northwest wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain Likely
    then Chance
    Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 11am. Snow level 2900 feet lowering to 1700 feet. Mostly cloudy, then gradually becoming sunny, with a high near 54. North northwest wind around 6 mph.

    High: 54 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 5am. 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 57. Calm wind becoming north around 6 mph in the afternoon.

    High: 57 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of rain after 11pm. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain. Mostly cloudy, with a high near 58.

    High: 58 °F

    Rain

Detailed Forecast

Today
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 63. South southwest wind around 6 mph becoming west in the afternoon. Chance of precipitation is 60%.
Tonight
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 42. Northwest wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A 20 percent chance of rain before 11am. Snow level 2900 feet lowering to 1700 feet. Mostly cloudy, then gradually becoming sunny, with a high near 54. North northwest wind around 6 mph.
Saturday Night
Areas of frost after 5am. 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 57. Calm wind becoming north around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Mostly cloudy, with a high near 58.
Monday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 45.
Tuesday
Rain. Mostly cloudy, with a high near 58.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 42.
Wednesday
Rain likely. Mostly cloudy, with a high near 54.
Wednesday Night
A chance of rain. Snow level 3400 feet lowering to 2000 feet after midnight . Partly cloudy, with a low around 36.
Thursday
Sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland OR
 45.52°N 122.7°W (Elev. 203 ft)
Last Update:
6:41 am PDT Mar 20, 2026
Forecast Valid:
6am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
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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