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

Severe Thunderstorms Likely in the Central U.S.; Flooding Possible for portions of Oklahoma/Texas/Arkansas and the Marianas.

Severe thunderstorms are likely from the southern Plains to the Midwest through Friday. Large hail, damaging winds, and tornadoes are all possible. An Enhanced (level 3 of 5) risk is in effect. Flash flooding is possible across portions of Oklahoma, Texas, and Arkansas on Friday. A Slight (level 2 of 4) risk is in effect. Flooding rain may impact Guam and the Marianas through next week. Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Overcast

45°F

7°C

Humidity 89%
Wind Speed N 0 MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 05 Mar 08:53 AM PST
Extended Forecast for

Hillsboro OR

  • Today

    Today: Showers likely, mainly before 11am. Mostly cloudy, with a high near 51. Light west southwest wind. Chance of precipitation is 70%.

    High: 51 °F

    Showers
    Likely

  • Tonight

    Tonight: Rain. Patchy fog between 10pm and 11pm. Low around 42. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Rain and
    Patchy Fog

  • Friday

    Friday: Rain before 10am, then showers, mainly after 10am. High near 51. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain

  • Friday Night

    Friday Night: Showers likely, mainly before 10pm. Patchy fog after 1am. Otherwise, cloudy, with a low around 45. Calm wind. Chance of precipitation is 70%.

    Low: 45 °F

    Showers
    Likely then
    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A 30 percent chance of showers. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 58. Calm wind.

    High: 58 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 4am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 44.

    Low: 44 °F

    Patchy Fog
    then Chance
    Rain and
    Patchy Fog

  • Sunday

    Sunday: Rain likely, mainly after 10am. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.

    High: 55 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Rain Likely

  • Monday

    Monday: Rain likely, mainly after 10am. Snow level 1600 feet. Mostly cloudy, with a high near 49.

    High: 49 °F

    Rain Likely

Detailed Forecast

Today
Showers likely, mainly before 11am. Mostly cloudy, with a high near 51. Light west southwest wind. Chance of precipitation is 70%.
Tonight
Rain. Patchy fog between 10pm and 11pm. Low around 42. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain before 10am, then showers, mainly after 10am. High near 51. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers likely, mainly before 10pm. Patchy fog after 1am. Otherwise, cloudy, with a low around 45. Calm wind. Chance of precipitation is 70%.
Saturday
A 30 percent chance of showers. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 58. Calm wind.
Saturday Night
A 30 percent chance of rain after 4am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 44.
Sunday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.
Sunday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 39.
Monday
Rain likely, mainly after 10am. Snow level 1600 feet. Mostly cloudy, with a high near 49.
Monday Night
Rain likely before 4am, then rain and snow likely. Snow level 1400 feet lowering to 800 feet after midnight . Mostly cloudy, with a low around 34.
Tuesday
Rain and snow likely. Snow level 800 feet rising to 1700 feet in the afternoon. Mostly cloudy, with a high near 49.
Tuesday Night
A chance of rain. Snow level 1700 feet. Mostly cloudy, with a low around 36.
Wednesday
Rain likely. Mostly cloudy, with a high near 51.
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 122.95°W (Elev. 200 ft)
Last Update:
8:41 am PST Mar 5, 2026
Forecast Valid:
9am PST Mar 5, 2026-6pm PDT Mar 11, 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