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.

Mostly Cloudy

63°F

17°C

Humidity 48%
Wind Speed W 8 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 19 May 03:00 PM PDT
Extended Forecast for

Hillsboro OR

  • This Afternoon

    This Afternoon: Mostly sunny, with a steady temperature around 62. West southwest wind around 11 mph.

    High: 62 °F

    Mostly Sunny

  • Tonight

    Tonight: A 50 percent chance of showers, mainly before 5am. Mostly cloudy, with a low around 43. West southwest wind 5 to 9 mph becoming calm after midnight.

    Low: 43 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers, mainly after 8am. Partly sunny, with a high near 62. Calm wind becoming west southwest 5 to 7 mph in the morning.

    High: 62 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. West wind 5 to 7 mph becoming calm in the evening.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67. Calm wind becoming north around 6 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a steady temperature around 62. West southwest wind around 11 mph.
Tonight
A 50 percent chance of showers, mainly before 5am. Mostly cloudy, with a low around 43. West southwest wind 5 to 9 mph becoming calm after midnight.
Tuesday
A 50 percent chance of showers, mainly after 8am. Partly sunny, with a high near 62. Calm wind becoming west southwest 5 to 7 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 42. West wind 5 to 7 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 67. Calm wind becoming north around 6 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 68.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 45.
Saturday
A slight chance of showers. Mostly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
A slight chance of showers. Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hillsboro OR
 45.55°N 122.96°W (Elev. 194 ft)
Last Update:
1:55 pm PDT May 19, 2025
Forecast Valid:
3pm PDT May 19, 2025-6pm PDT May 25, 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