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Hazardous Weather Conditions
Current conditions at
Portland-Hillsboro Airport (KHIO)
Lat: 45.54765°NLon: 122.95568°WElev: 194.0ft.
Overcast
36°F
2°C
| Humidity | 93% |
| Wind Speed | N 0 MPH |
| Barometer | 30.18 in (1022.01 mb) |
| Dewpoint | 34°F (1°C) |
| Visibility | 10.00 mi |
| Last update | 22 Jan 06:35 PM PST |
Extended Forecast for
Hillsboro OR
Air Stagnation Advisory January 22, 06:52pm until January 23, 12:00pm
Cold Weather Advisory January 22, 10:00pm until January 23, 12:00pm
NOW until 12:00pm Fri
Air Stagnation Advisory
Tonight
Low: 25 °F
Slight Chance
Rain then
FrostFriday

High: 46 °F
Frost then
SunnyFriday Night

Low: 23 °F
Frost
Saturday

High: 47 °F
Frost then
SunnySaturday Night

Low: 24 °F
Frost
Sunday

High: 45 °F
Frost then
Mostly SunnySunday Night

Low: 29 °F
Mostly Cloudy
Monday

High: 45 °F
Mostly Cloudy
Detailed Forecast
Tonight
A 20 percent chance of rain before 7pm. Widespread frost, mainly after 9pm. Snow level 2800 feet lowering to 1200 feet after midnight . Otherwise, mostly cloudy, with a low around 25. Calm wind.
Friday
Widespread frost before 11am. Otherwise, sunny, with a high near 46. East northeast wind 3 to 6 mph.
Friday Night
Widespread frost after 11pm. Otherwise, clear, with a low around 23. Northeast wind around 5 mph becoming calm in the evening.
Saturday
Widespread frost before 10am. Otherwise, sunny, with a high near 47. Calm wind.
Saturday Night
Widespread frost. Otherwise, mostly clear, with a low around 24. Calm wind.
Sunday
Widespread frost before 11am. Otherwise, mostly sunny, with a high near 45.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Mostly cloudy, with a high near 45.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 52.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 37.
Wednesday
A chance of rain. Mostly cloudy, with a high near 51.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 39.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 53.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Hillsboro OR
45.53°N 122.92°W (Elev. 200 ft)
45.53°N 122.92°W (Elev. 200 ft)
6:45 pm PST Jan 22, 2026
6pm PST Jan 22, 2026-6pm PST Jan 29, 2026



