Heat Persists Across the Central and Western U.S.; Fire Weather Concerns in the Rockies and High Plains

Record-breaking heat expected in the Central and Western U.S. for the next several days. Gusty winds and low relative humidity will create elevated to critical fire weather conditions over portions of the Rockies and High Plains Wednesday and Thursday. Rain and mountain snow are possible across the Pacific Northwest into the Rockies through Wednesday. Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Clear

37°F

3°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 25 Mar 02:35 AM PDT
Extended Forecast for

Hillsboro OR

  • Overnight

    Overnight: Patchy fog after 3am.  Otherwise, partly cloudy, with a steady temperature around 43. Calm wind.

    Low: 43 °F

    Patchy Fog

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms, mainly between 3pm and 4pm.  Snow level 2800 feet lowering to 2200 feet in the afternoon . High near 54. Calm wind becoming west southwest 5 to 8 mph in the morning.  Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 54 °F

    Showers
    Likely then
    Showers

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers before 7pm.  Patchy fog after 3am. Areas of frost after midnight. Snow level 1900 feet lowering to 1200 feet after midnight .  Otherwise, partly cloudy, with a low around 33. West wind around 6 mph becoming calm  in the evening.

    Low: 33 °F

    Slight Chance
    Showers then
    Areas Frost
    and Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 9am. Widespread frost, mainly before 8am.  Otherwise, sunny, with a high near 56. Light and variable wind.

    High: 56 °F

    Frost and
    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Areas of frost after 2am.  Otherwise, mostly clear, with a low around 35. Light north wind.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Friday

    Friday: Areas of frost before 9am.  Otherwise, mostly sunny, with a high near 64.

    High: 64 °F

    Areas Frost
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, partly cloudy, with a steady temperature around 43. Calm wind.
Wednesday
Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms, mainly between 3pm and 4pm. Snow level 2800 feet lowering to 2200 feet in the afternoon . High near 54. Calm wind becoming west southwest 5 to 8 mph in the morning. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 10 percent chance of showers before 7pm. Patchy fog after 3am. Areas of frost after midnight. Snow level 1900 feet lowering to 1200 feet after midnight . Otherwise, partly cloudy, with a low around 33. West wind around 6 mph becoming calm in the evening.
Thursday
Patchy fog before 9am. Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 56. Light and variable wind.
Thursday Night
Areas of frost after 2am. Otherwise, mostly clear, with a low around 35. Light north wind.
Friday
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
A slight chance of rain after 11am. Mostly cloudy, with a high near 61.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 41.
Monday
A chance of rain. Mostly cloudy, with a high near 56.
Monday Night
A chance of rain. Mostly cloudy, with a low around 37.
Tuesday
A chance of rain. Mostly cloudy, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Hillsboro OR
 45.53°N 122.92°W (Elev. 200 ft)
2:41 am PDT Mar 25, 2026
2am PDT Mar 25, 2026-6pm PDT Mar 31, 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