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

Hazardous Weather Conditions

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Clear

54°F

12°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 15 Jul 03:30 AM PDT
Extended Forecast for

3 Miles E Hillsboro OR

Heat Advisory July 15, 12:00pm until July 16, 10:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Widespread haze after noon. Sunny, with a high near 94. Calm wind becoming north northeast 5 to 7 mph in the morning.

    High: 94 °F

    Sunny then
    Haze

  • Tuesday Night

    Tuesday Night: Widespread haze before 4am. Clear, with a low around 66. North wind 5 to 7 mph becoming calm after midnight.

    Low: 66 °F

    Haze

  • Wednesday

    Wednesday: Widespread haze between 9am and 2pm. Areas of smoke after 2pm. Sunny, with a high near 98. Calm wind becoming northeast around 6 mph in the morning.

    High: 98 °F

    Haze

  • Wednesday Night

    Wednesday Night: Clear, with a low around 59. Northwest wind around 6 mph becoming calm in the evening.

    Low: 59 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 56. Calm wind.
Tuesday
Widespread haze after noon. Sunny, with a high near 94. Calm wind becoming north northeast 5 to 7 mph in the morning.
Tuesday Night
Widespread haze before 4am. Clear, with a low around 66. North wind 5 to 7 mph becoming calm after midnight.
Wednesday
Widespread haze between 9am and 2pm. Areas of smoke after 2pm. Sunny, with a high near 98. Calm wind becoming northeast around 6 mph in the morning.
Wednesday Night
Clear, with a low around 59. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 91.
Thursday Night
Clear, with a low around 59.
Friday
Sunny, with a high near 89.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Hillsboro OR
 45.52°N 122.85°W (Elev. 200 ft)
Last Update:
3:41 am PDT Jul 15, 2025
Forecast Valid:
3am PDT Jul 15, 2025-6pm PDT Jul 21, 2025
 
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