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

54°F

12°C

Humidity 81%
Wind Speed NNW 10 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 08 Oct 01:35 AM PDT
Extended Forecast for

Hillsboro OR

  • Overnight

    Overnight: Mostly clear, with a low around 45. West northwest wind 3 to 6 mph.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 42. Northwest wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain before 11am. Mostly sunny, with a high near 65. Calm wind.

    High: 65 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Rain Likely

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.

    High: 63 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain. Low around 46. Chance of precipitation is 90%.

    Low: 46 °F

    Rain

  • Saturday

    Saturday: Rain. Cloudy, with a high near 61.

    High: 61 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Cloudy, with a low around 44.

    Low: 44 °F

    Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 45. West northwest wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 63. Calm wind becoming northwest around 5 mph in the afternoon.
Wednesday Night
A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 42. Northwest wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of rain before 11am. Mostly sunny, with a high near 65. Calm wind.
Thursday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.
Friday Night
Rain. Low around 46. Chance of precipitation is 90%.
Saturday
Rain. Cloudy, with a high near 61.
Saturday Night
Rain. Cloudy, with a low around 44.
Sunday
Rain likely. Mostly cloudy, with a high near 59.
Sunday Night
Rain likely. Mostly cloudy, with a low around 44.
Columbus Day
A chance of rain. Partly sunny, with a high near 60.
Monday Night
A chance of rain. Partly cloudy, with a low around 42.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hillsboro OR
 45.55°N 122.96°W (Elev. 194 ft)
Last Update:
1:41 am PDT Oct 8, 2025
Forecast Valid:
1am PDT Oct 8, 2025-6pm PDT Oct 14, 2025
 
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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