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

73°F

23°C

Humidity 46%
Wind Speed NA NA MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 18 Jun 12:14 PM PDT
Extended Forecast for

4 Miles ENE Hillsboro OR

Extreme Heat Watch June 22, 11:00am until June 23, 11:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Overnight

    Overnight: Partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80. Calm wind becoming west northwest around 6 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50. Northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 87. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 87 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 58. North northwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 58 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 98.

    High: 98 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 53. Calm wind.
Saturday
Mostly sunny, with a high near 80. Calm wind becoming west northwest around 6 mph in the morning.
Saturday Night
Mostly clear, with a low around 50. Northwest wind 5 to 8 mph becoming calm after midnight.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 87. Calm wind becoming north 5 to 7 mph in the afternoon.
Sunday Night
Clear, with a low around 58. North northwest wind 6 to 9 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 98.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny and hot, with a high near 100.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 55.
Friday
A slight chance of rain. Partly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Hillsboro OR
 45.56°N 122.87°W (Elev. 200 ft)
Last Update:
3:41 am PDT Jun 20, 2026
Forecast Valid:
3am PDT Jun 20, 2026-6pm PDT Jun 26, 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