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.

Mostly Cloudy

36°F

2°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 16 Apr 02:35 AM PDT
Extended Forecast for

3 Miles NNE King City OR

Frost Advisory until April 16, 09:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory until April 16, 09:00am

    NOW until 9:00am Thu

    Frost Advisory

  • Overnight

    Low: 36 °F

    Chance
    Showers

  • Thursday

    Thursday: Patchy frost before 7am. Otherwise, mostly sunny, with a high near 58. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 58 °F

    Patchy Frost
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38. Light and variable wind.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 62. Light north wind.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42. Light north wind.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 69.

    High: 69 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 40 percent chance of showers, mainly before 4am. Snow level 1600 feet. Mostly cloudy, with a low around 36. Light south wind.
Thursday
Patchy frost before 7am. Otherwise, mostly sunny, with a high near 58. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 38. Light and variable wind.
Friday
Mostly sunny, with a high near 62. Light north wind.
Friday Night
Mostly cloudy, with a low around 42. Light north wind.
Saturday
Partly sunny, with a high near 70.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 51.
Sunday
A chance of showers. Mostly cloudy, with a high near 69.
Sunday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 51.
Monday
A chance of rain, mainly after 11am. Mostly cloudy, with a high near 70.
Monday Night
A chance of rain. Mostly cloudy, with a low around 49.
Tuesday
A chance of rain. Mostly cloudy, with a high near 62.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 49.
Wednesday
A chance of rain. Mostly cloudy, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE King City OR
 45.45°N 122.77°W (Elev. 200 ft)
Last Update:
2:41 am PDT Apr 16, 2026
Forecast Valid:
2am PDT Apr 16, 2026-6pm PDT Apr 22, 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