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.

Clear

52°F

11°C

Humidity 71%
Wind Speed N 0 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 22 May 04:35 AM PDT
Extended Forecast for

4 Miles ENE Hillsboro OR

  • Today

    Today: Sunny, with a high near 82. Calm wind becoming north 5 to 8 mph in the afternoon.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 52. North northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.

    Low: 52 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 79. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 79 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48. North northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 80. Calm wind.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Memorial Day

    Memorial Day: Rain, mainly after 11am. High near 64. Chance of precipitation is 80%.

    High: 64 °F

    Rain

  • Monday Night

    Monday Night: A chance of rain. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

  • Tuesday

    Tuesday: A chance of rain before 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 66.

    High: 66 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 82. Calm wind becoming north 5 to 8 mph in the afternoon.
Tonight
Increasing clouds, with a low around 52. North northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Saturday
Partly sunny, with a high near 79. Calm wind becoming north northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 48. North northwest wind 5 to 9 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 80. Calm wind.
Sunday Night
Mostly cloudy, with a low around 52.
Memorial Day
Rain, mainly after 11am. High near 64. Chance of precipitation is 80%.
Monday Night
A chance of rain. Mostly cloudy, with a low around 46.
Tuesday
A chance of rain before 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 66.
Tuesday Night
A slight chance of rain before 11pm. Partly cloudy, with a low around 47.
Wednesday
Partly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 75.
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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:
4:41 am PDT May 22, 2026
Forecast Valid:
4am PDT May 22, 2026-6pm PDT May 28, 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