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.

Clear

46°F

8°C

Humidity 61%
Wind Speed NNW 5 MPH
Barometer 30.38 in (1028.79 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 21 Mar 09:55 PM PDT
Extended Forecast for

5 Miles ENE Vancouver WASimilar City Names

  • Tonight

    Tonight: Widespread frost, mainly between 1am and 5am. Otherwise, clear, with a low around 32. North northwest wind around 5 mph becoming calm in the evening.

    Low: 32 °F

    Clear then
    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 9am. Otherwise, mostly sunny, with a high near 59. Calm wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 59 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36. North northwest wind 3 to 8 mph.

    Low: 36 °F

    Mostly Cloudy

  • Monday

    Monday: Patchy frost before 9am. Otherwise, partly sunny, with a high near 58. Light and variable wind.

    High: 58 °F

    Patchy Frost
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: A 40 percent chance of showers after 11pm. Cloudy, with a low around 45. Light and variable wind.

    Low: 45 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers. High near 55. Chance of precipitation is 100%.

    High: 55 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain, mainly before 11pm. Low around 42. Chance of precipitation is 80%.

    Low: 42 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: Rain, mainly after 11am. Mostly cloudy, with a high near 55.

    High: 55 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 11pm. Snow level 3300 feet lowering to 1900 feet after midnight . Partly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain
    then Partly
    Cloudy

Detailed Forecast

Tonight
Widespread frost, mainly between 1am and 5am. Otherwise, clear, with a low around 32. North northwest wind around 5 mph becoming calm in the evening.
Sunday
Widespread frost, mainly before 9am. Otherwise, mostly sunny, with a high near 59. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 36. North northwest wind 3 to 8 mph.
Monday
Patchy frost before 9am. Otherwise, partly sunny, with a high near 58. Light and variable wind.
Monday Night
A 40 percent chance of showers after 11pm. Cloudy, with a low around 45. Light and variable wind.
Tuesday
Showers. High near 55. Chance of precipitation is 100%.
Tuesday Night
Rain, mainly before 11pm. Low around 42. Chance of precipitation is 80%.
Wednesday
Rain, mainly after 11am. Mostly cloudy, with a high near 55.
Wednesday Night
A chance of rain before 11pm. Snow level 3300 feet lowering to 1900 feet after midnight . Partly cloudy, with a low around 35.
Thursday
A slight chance of rain after 11am. Snow level 1600 feet rising to 2700 feet in the afternoon. Mostly sunny, with a high near 56.
Thursday Night
Mostly clear, with a low around 35.
Friday
Mostly sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 38.
Saturday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Vancouver WASimilar City Names
 45.67°N 122.56°W (Elev. 203 ft)
Last Update:
9:41 pm PDT Mar 21, 2026
Forecast Valid:
10pm PDT Mar 21, 2026-6pm PDT Mar 28, 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