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Hazardous Weather Conditions
Current conditions at
Portland-Hillsboro Airport (KHIO)
Lat: 45.54765°NLon: 122.95568°WElev: 194.0ft.
Clear
37°F
3°C
| Humidity | 61% |
| Wind Speed | N 0 MPH |
| Barometer | 30.22 in (1023.37 mb) |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Last update | 20 Jan 06:53 PM PST |
Extended Forecast for
4 Miles E Farmington OR
Air Stagnation Advisory January 20, 07:07pm until January 23, 12:00pm
NOW until 12:00pm Fri

Air Stagnation Advisory
Tonight

Low: 29 °F
Partly Cloudy
Wednesday

High: 47 °F
Frost then
SunnyWednesday Night

Low: 29 °F
Frost
Thursday

High: 45 °F
Frost then
Mostly SunnyThursday Night

Low: 28 °F
Frost
Friday

High: 46 °F
Frost then
SunnyFriday Night

Low: 28 °F
Clear then
FrostSaturday

High: 45 °F
Frost then
Sunny
Detailed Forecast
Tonight
Partly cloudy, with a low around 29. North northeast wind 8 to 11 mph.
Wednesday
Widespread frost between 9am and 10am. Otherwise, mostly sunny, with a high near 47. East northeast wind 5 to 7 mph, with gusts as high as 18 mph.
Wednesday Night
Widespread frost, mainly after 10pm. Otherwise, mostly clear, with a low around 29. North northeast wind around 6 mph.
Thursday
Widespread frost, mainly before 10am. Otherwise, mostly sunny, with a high near 45. Northeast wind around 6 mph.
Thursday Night
Widespread frost, mainly after 10pm. Otherwise, partly cloudy, with a low around 28. Light north northeast wind.
Friday
Widespread frost between 10am and 11am. Otherwise, sunny, with a high near 46.
Friday Night
Widespread frost after 3am. Otherwise, clear, with a low around 28.
Saturday
Widespread frost before 9am. Otherwise, sunny, with a high near 45.
Saturday Night
Widespread frost before midnight, then widespread frost after 1am. Otherwise, partly cloudy, with a low around 28.
Sunday
Widespread frost before 10am. Otherwise, mostly sunny, with a high near 43.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 34.
Monday
A chance of rain. Partly sunny, with a high near 47.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
A slight chance of rain. Partly sunny, with a high near 49.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles E Farmington OR
45.45°N 122.87°W (Elev. 600 ft)
45.45°N 122.87°W (Elev. 600 ft)
6:41 pm PST Jan 20, 2026
7pm PST Jan 20, 2026-6pm PST Jan 27, 2026



