National Weather Service

News Headlines

Soliciting feedback on the Experimental Probabilistic Quantitative Precipitation Forecast (PQPF) Webpages through November 21, 2025

Hazardous Weather Conditions

Heat Advisory in effect from July 15, 12:00 PM PDT until July 16, 10:00 PM PDT

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Clear

57°F

14°C

Humidity	71%
Wind Speed	WNW 9 MPH
Barometer	30.04 in (1017.27 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	14 Jul 11:20 PM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles SW Hillsboro OR

Heat Advisory July 15, 12:00pm until July 16, 10:00pm

Click here for hazard details and duration

Heat Advisory

Tonight
Low: 55 °F
Mostly Clear
Tuesday
High: 92 °F
Sunny then
Haze
Tuesday Night
Low: 65 °F
Haze
Wednesday
High: 96 °F
Haze
Wednesday Night
Low: 58 °F
Clear
Thursday
High: 91 °F
Sunny
Thursday Night
Low: 59 °F
Clear
Friday
High: 88 °F
Sunny
Friday Night
Low: 57 °F
Mostly Clear

Detailed Forecast

Tonight

Mostly clear, with a low around 55. Northwest wind around 6 mph becoming calm after midnight.

Tuesday

Widespread haze after noon. Sunny, with a high near 92. Calm wind becoming north 5 to 8 mph in the morning.

Tuesday Night

Widespread haze before 4am. Mostly clear, with a low around 65. North wind 5 to 8 mph.

Wednesday

Widespread haze between 9am and 2pm. Areas of smoke after 2pm. Sunny, with a high near 96. Calm wind becoming northeast around 5 mph in the afternoon.

Wednesday Night

Clear, with a low around 58. Northwest wind around 6 mph becoming calm after midnight.

Thursday

Sunny, with a high near 91.

Thursday Night

Clear, with a low around 59.

Friday

Sunny, with a high near 88.

Friday Night

Mostly clear, with a low around 57.

Saturday

Mostly sunny, with a high near 83.