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

Portland-Hillsboro Airport (KHIO)

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

Partly Cloudy

72°F

22°C

Humidity 40%
Wind Speed W 11 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 29 Aug 02:30 PM PDT
Extended Forecast for

3 Miles ENE Hillsboro OR

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 74. West northwest wind 5 to 7 mph.

    High: 74 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 51. Northwest wind around 6 mph becoming calm in the evening.

    Low: 51 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 77. Calm wind becoming north around 5 mph in the afternoon.

    High: 77 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53. North wind around 6 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 85. Calm wind.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 77.

    High: 77 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of rain. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, then showers and possibly a thunderstorm after 11am. Cloudy, with a high near 68.

    High: 68 °F

    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 74. West northwest wind 5 to 7 mph.
Tonight
Increasing clouds, with a low around 51. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 77. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 53. North wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 85. Calm wind.
Monday Night
Mostly cloudy, with a low around 57.
Tuesday
A 30 percent chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 77.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 55.
Wednesday
Rain likely, then showers and possibly a thunderstorm after 11am. Cloudy, with a high near 68.
Wednesday Night
Rain. Mostly cloudy, with a low around 54.
Thursday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 70.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 52.
Friday
A chance of rain. Partly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Hillsboro OR
 45.54°N 122.89°W (Elev. 200 ft)
Last Update:
2:41 pm PDT Aug 29, 2026
Forecast Valid:
2pm PDT Aug 29, 2026-6pm PDT Sep 4, 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