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Hazardous Weather Conditions
Current conditions at
Portland-Hillsboro Airport (KHIO)
Lat: 45.54765°NLon: 122.95568°WElev: 194.0ft.
Clear
45°F
7°C
| Humidity | 57% |
| Wind Speed | NW 3 MPH |
| Barometer | 30.33 in (1027.09 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 18 Jan 11:53 AM PST |
Extended Forecast for
King City OR
Air Stagnation Advisory January 18, 12:11pm until January 21, 04:00pm
NOW until 4:00pm Wed

Air Stagnation Advisory
This Afternoon

High: 48 °F
Sunny
Tonight

Low: 35 °F
Clear
M.L.King Day

High: 49 °F
Sunny
Monday Night

Low: 32 °F
Frost
Tuesday

High: 50 °F
Frost then
Mostly SunnyTuesday Night

Low: 34 °F
Areas Frost
Wednesday

High: 47 °F
Frost then
Partly SunnyWednesday Night

Low: 34 °F
Areas Frost
Detailed Forecast
This Afternoon
Sunny, with a high near 48. East northeast wind around 10 mph, with gusts as high as 18 mph.
Tonight
Clear, with a low around 35. Northeast wind around 10 mph.
M.L.King Day
Sunny, with a high near 49. Northeast wind around 9 mph, with gusts as high as 21 mph.
Monday Night
Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 32. North northeast wind 3 to 6 mph.
Tuesday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 50. Light northeast wind.
Tuesday Night
Areas of frost after 10pm. Otherwise, partly cloudy, with a low around 34.
Wednesday
Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 47.
Wednesday Night
Areas of frost after 10pm. Otherwise, mostly cloudy, with a low around 34.
Thursday
A slight chance of rain after 10am. Widespread frost, mainly before 8am. Otherwise, mostly cloudy, with a high near 46.
Thursday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 39.
Friday
Rain likely. Mostly cloudy, with a high near 48.
Friday Night
A chance of rain. Mostly cloudy, with a low around 36.
Saturday
A chance of rain. Mostly cloudy, with a high near 45.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
King City OR
45.42°N 122.82°W (Elev. 600 ft)
45.42°N 122.82°W (Elev. 600 ft)
12:01 pm PST Jan 18, 2026
12pm PST Jan 18, 2026-6pm PST Jan 24, 2026



