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.

Overcast

44°F

7°C

Humidity 88%
Wind Speed S 6 MPH
Barometer 29.67 in (1004.74 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 31 Mar 06:53 AM PDT
Extended Forecast for

Hillsboro OR

  • Today

    Today: Showers. High near 53. South wind 9 to 11 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Showers

  • Tonight

    Tonight: Showers likely, mainly before 3am. Mostly cloudy, with a low around 36. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 36 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers after 11am. Partly sunny, with a high near 56. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 56 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 38. West northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 38 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers, mainly after 11am. High near 54. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 80%.

    High: 54 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly before 11pm. Partly cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 11am. Snow level 2200 feet rising to 3000 feet in the afternoon. Mostly sunny, with a high near 57.

    High: 57 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

Today
Showers. High near 53. South wind 9 to 11 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers likely, mainly before 3am. Mostly cloudy, with a low around 36. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers after 11am. Partly sunny, with a high near 56. Calm wind becoming northwest around 6 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 38. West northwest wind 5 to 9 mph becoming calm in the evening.
Wednesday
Showers, mainly after 11am. High near 54. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 80%.
Wednesday Night
A 30 percent chance of showers, mainly before 11pm. Partly cloudy, with a low around 36.
Thursday
A 20 percent chance of showers before 11am. Snow level 2200 feet rising to 3000 feet in the afternoon. Mostly sunny, with a high near 57.
Thursday Night
Mostly clear, with a low around 35.
Friday
Mostly sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Hillsboro OR
 45.55°N 122.96°W (Elev. 194 ft)
Last Update:
6:41 am PDT Mar 31, 2025
Forecast Valid:
7am PDT Mar 31, 2025-6pm PDT Apr 6, 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