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.

Partly Cloudy

38°F

3°C

Humidity 89%
Wind Speed WSW 4 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 15 Apr 10:53 PM PDT
Extended Forecast for

3 Miles NNE King City OR

Frost Advisory April 16, 01:00am until April 16, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: A 40 percent chance of showers, mainly between 4am and 5am. Snow level 1600 feet. Mostly cloudy, with a low around 36. Southwest wind around 5 mph becoming calm after midnight.

    Low: 36 °F

    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers between 2pm and 4pm. Snow level 1800 feet rising to 3400 feet in the afternoon. Mostly sunny, with a high near 58. South southwest wind 3 to 5 mph.

    High: 58 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39. West wind around 5 mph becoming calm in the evening.

    Low: 39 °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 41. Light north wind.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain

  • Sunday

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

    High: 69 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A slight chance of rain before 11pm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers, mainly between 4am and 5am. Snow level 1600 feet. Mostly cloudy, with a low around 36. Southwest wind around 5 mph becoming calm after midnight.
Thursday
A 20 percent chance of showers between 2pm and 4pm. Snow level 1800 feet rising to 3400 feet in the afternoon. Mostly sunny, with a high near 58. South southwest wind 3 to 5 mph.
Thursday Night
Partly cloudy, with a low around 39. West wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 62. Light north wind.
Friday Night
Mostly cloudy, with a low around 41. Light north wind.
Saturday
Partly sunny, with a high near 69.
Saturday Night
A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 50.
Sunday
A chance of rain. Mostly cloudy, with a high near 69.
Sunday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 49.
Monday
A slight chance of rain after 11am. Partly sunny, with a high near 71.
Monday Night
A chance of rain. Mostly cloudy, with a low around 50.
Tuesday
A chance of rain. Mostly cloudy, with a high near 66.
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.
Basemap Options
Click map to change the forecast location
Loading map...
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:
10:41 pm PDT Apr 15, 2026
Forecast Valid:
11pm PDT Apr 15, 2026-6pm PDT Apr 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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