Current conditions at

Portland-Hillsboro Airport (KHIO)

Lat: 45.54765° N Lon: 122.95568° W Elev: 194.0 ft.

Clear

84°F

29°C

Humidity 37%
Wind Speed N 0 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 Aug 06:00 PM PDT
Detailed forecast for

Tualatin Valley

Tonight
Partly cloudy this evening, then becoming mostly clear. Lows in the mid 50s. Winds light.
Tuesday
Sunny. Highs in the upper 80s. Light and variable winds, becoming light in the afternoon.
Tuesday Night
Mostly clear. Lows in the mid 50s. Winds light.
Wednesday
Partly sunny. Highs in the mid 80s. Light and variable winds, becoming light in the afternoon.
Wednesday Night
Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 50s. Winds light.
Thursday
Mostly sunny. Highs in the upper 80s.
Thursday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s.
Friday
Partly sunny in the morning, then becoming mostly cloudy. A 20 percent chance of rain. Highs in the mid 80s.
Friday Night
Partly cloudy with a 20 percent chance of rain. Lows in the mid 50s.
Saturday
Partly sunny in the morning, then becoming mostly cloudy. A 20 percent chance of rain. Highs in the upper 70s.
Saturday Night
Partly cloudy in the evening, then clearing. Lows in the mid 50s.
Sunday
Mostly sunny. Highs in the lower 80s.
Sunday Night
Mostly clear. Lows in the mid 50s.
Monday
Mostly sunny. Highs in the mid 80s.



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501 PM PDT Mon Aug 17 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database