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-Hillsboro Airport (KHIO)

Lat: 45.54765°NLon: 122.95568°WElev: 194.0ft.

Overcast

50°F

10°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 20 Mar 06:15 AM PDT
Extended Forecast for

2 Miles WSW Hillsboro OR

  • Today

    Today: Rain likely, mainly after 4pm.  Mostly cloudy, with a high near 63. Light and variable wind.  Chance of precipitation is 60%.

    High: 63 °F

    Chance Rain
    then Rain
    Likely

  • Tonight

    Tonight: A 50 percent chance of rain, mainly before 1am.  Mostly cloudy, with a low around 41. Calm wind.  New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 11am.  Snow level 2500 feet lowering to 1700 feet. Mostly sunny, with a high near 54. Light north northwest wind.

    High: 54 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 5am.  Otherwise, mostly clear, with a low around 33. Light north northwest wind.

    Low: 33 °F

    Mostly Clear
    then Frost

  • Sunday

    Sunday: Widespread frost, mainly before 7am.  Otherwise, mostly sunny, with a high near 57. Light north wind.

    High: 57 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of rain after 11pm.  Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain.  Mostly cloudy, with a high near 57.

    High: 57 °F

    Rain

Detailed Forecast

Today
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 63. Light and variable wind. Chance of precipitation is 60%.
Tonight
A 50 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 41. Calm wind. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A 20 percent chance of rain before 11am. Snow level 2500 feet lowering to 1700 feet. Mostly sunny, with a high near 54. Light north northwest wind.
Saturday Night
Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 33. Light north northwest wind.
Sunday
Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 57. Light north wind.
Sunday Night
Mostly cloudy, with a low around 39.
Monday
Mostly cloudy, with a high near 57.
Monday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 44.
Tuesday
Rain. Mostly cloudy, with a high near 57.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 40.
Wednesday
Rain likely. Mostly cloudy, with a high near 53.
Wednesday Night
A chance of rain. Snow level 3300 feet lowering to 2000 feet after midnight . Partly cloudy, with a low around 34.
Thursday
Mostly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Hillsboro OR
 45.52°N 122.98°W (Elev. 161 ft)
5:41 am PDT Mar 20, 2026
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