National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Record Temperatures Expected Across the Southern US; Fire Weather Concerns in the Central US

Unseasonably warm temperatures continue today across the southern U.S., with more than 100 record or near record maximum temperatures forecast through the rest of the week and over the weekend. Dry and gusty winds will produce elevated to critical fire weather in the central and southern Plains and elevated conditions over portions of the Desert Southwest on Friday. Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Clear

45°F

7°C

Humidity 60%
Wind Speed NW 5 MPH
Barometer 30.41 in (1029.8 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 26 Mar 08:53 PM PDT
Extended Forecast for

Hillsboro OR

  • Tonight

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

    Low: 35 °F

    Clear then
    Areas Frost

  • Friday

    Friday: Areas of frost before 9am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming north around 6 mph in the afternoon.

    High: 64 °F

    Areas Frost
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38. North wind around 6 mph becoming calm in the evening.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 62. Calm wind.

    High: 62 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 39. Light north northwest wind.

    Low: 39 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Monday

    Monday: A chance of rain. Partly sunny, with a high near 54.

    High: 54 °F

    Chance Rain

  • Monday Night

    Monday Night: A chance of rain. Snow level 3200 feet lowering to 2000 feet after midnight . Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

Detailed Forecast

Tonight
Areas of frost after 2am. Otherwise, mostly clear, with a low around 35. Light north northwest wind.
Friday
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming north around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 38. North wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 62. Calm wind.
Saturday Night
Increasing clouds, with a low around 39. Light north northwest wind.
Sunday
Mostly cloudy, with a high near 61.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 39.
Monday
A chance of rain. Partly sunny, with a high near 54.
Monday Night
A chance of rain. Snow level 3200 feet lowering to 2000 feet after midnight . Mostly cloudy, with a low around 35.
Tuesday
A chance of rain, mainly after 11am. Snow level 1800 feet rising to 3200 feet in the afternoon. Partly sunny, with a high near 58.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 43.
Wednesday
Rain likely. Mostly cloudy, with a high near 54.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 41.
Thursday
Rain likely. Mostly cloudy, with a high near 54.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hillsboro OR
 45.53°N 122.92°W (Elev. 200 ft)
Last Update:
8:41 pm PDT Mar 26, 2026
Forecast Valid:
9pm PDT Mar 26, 2026-6pm PDT Apr 2, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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