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Hazardous Weather Conditions
Current conditions at
Portland-Hillsboro Airport (KHIO)
Lat: 45.54765°NLon: 122.95568°WElev: 194.0ft.
Clear
54°F
12°C
| Humidity | 37% |
| Wind Speed | ENE 8 MPH |
| Barometer | 30.22 in (1023.37 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Last update | 17 Jan 02:35 PM PST |
Extended Forecast for
3 Miles SSW Cedar Hills OR
Air Stagnation Advisory January 17, 07:00pm until January 20, 10:00am
This Afternoon

High: 51 °F
Sunny
Tonight

Low: 34 °F
Clear then
Areas FrostSunday

High: 51 °F
Frost then
SunnySunday Night

Low: 35 °F
Clear then
Areas FrostM.L.King Day

High: 51 °F
Areas Frost
then SunnyMonday Night

Low: 32 °F
Frost
Tuesday

High: 51 °F
Frost then
SunnyTuesday Night

Low: 34 °F
Areas Frost
Wednesday

High: 48 °F
Frost then
Partly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 51. East northeast wind around 6 mph.
Tonight
Areas of frost after midnight. Otherwise, clear, with a low around 34. Northeast wind around 5 mph becoming calm in the evening.
Sunday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 51. Calm wind becoming east northeast around 5 mph in the afternoon.
Sunday Night
Areas of frost after 3am. Otherwise, clear, with a low around 35. Northeast wind 3 to 5 mph.
M.L.King Day
Areas of frost before 8am. Otherwise, sunny, with a high near 51. Northeast wind around 6 mph.
Monday Night
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 32.
Tuesday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 51.
Tuesday Night
Areas of frost after 11pm. Otherwise, partly cloudy, with a low around 34.
Wednesday
Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 48.
Wednesday Night
Areas of frost after 11pm. Otherwise, mostly cloudy, with a low around 34.
Thursday
A slight chance of rain. Widespread frost. Otherwise, partly sunny, with a high near 48.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 38.
Friday
A chance of rain. Mostly cloudy, with a high near 49.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SSW Cedar Hills OR
45.46°N 122.84°W (Elev. 348 ft)
45.46°N 122.84°W (Elev. 348 ft)
2:46 pm PST Jan 17, 2026
2pm PST Jan 17, 2026-6pm PST Jan 23, 2026



