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Hazardous Weather Conditions
Current conditions at
Portland-Hillsboro Airport (KHIO)
Lat: 45.54765°NLon: 122.95568°WElev: 194.0ft.
Clear
30°F
-1°C
| Humidity | 92% |
| Wind Speed | WNW 3 MPH |
| Barometer | 30.28 in (1025.4 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Last update | 17 Jan 11:30 PM PST |
Extended Forecast for
3 Miles WSW Cedar Hills OR
Air Stagnation Advisory until January 20, 10:00am
NOW until 10:00am Tue
Air Stagnation Advisory
Tonight
Low: 34 °F
Frost
Sunday
High: 51 °F
Frost then
SunnySunday Night
Low: 34 °F
Clear then
Areas FrostM.L.King Day
High: 52 °F
Areas Frost
then SunnyMonday Night
Low: 32 °F
Frost
Tuesday
High: 51 °F
Frost then
SunnyTuesday Night
Low: 33 °F
Frost
Wednesday
High: 49 °F
Frost then
Partly Sunny
Detailed Forecast
Tonight
Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 34. Calm wind.
Sunday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 51. Light east northeast wind.
Sunday Night
Areas of frost after 1am. Otherwise, clear, with a low around 34. Calm wind.
M.L.King Day
Areas of frost before 9am. Otherwise, sunny, with a high near 52. Northeast wind 3 to 5 mph.
Monday Night
Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 32. Calm wind.
Tuesday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 51.
Tuesday Night
Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 33.
Wednesday
Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 49.
Wednesday Night
Widespread frost, mainly after 4am. Otherwise, mostly cloudy, with a low around 33.
Thursday
A slight chance of rain after 10am. Widespread frost, mainly before 9am. Otherwise, partly sunny, with a high near 48.
Thursday Night
A chance of rain. Increasing clouds, with a low around 38.
Friday
A chance of rain. Mostly cloudy, with a high near 49.
Friday Night
A chance of rain. Mostly cloudy, with a low around 38.
Saturday
A chance of rain. Mostly cloudy, with a high near 48.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles WSW Cedar Hills OR
45.5°N 122.88°W (Elev. 200 ft)
45.5°N 122.88°W (Elev. 200 ft)
11:41 pm PST Jan 17, 2026
11pm PST Jan 17, 2026-6pm PST Jan 24, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
