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Hazardous Weather Conditions
Current conditions at
Portland-Hillsboro Airport (KHIO)
Lat: 45.54765°NLon: 122.95568°WElev: 194.0ft.
Clear
48°F
9°C
| Humidity | 46% |
| Wind Speed | ENE 10 MPH |
| Barometer | 30.31 in (1026.41 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 44°F (7°C) |
| Last update | 19 Jan 12:00 PM PST |
Extended Forecast for
4 Miles E Farmington OR
Air Stagnation Advisory January 19, 12:28pm until January 21, 04:00pm
NOW until 4:00pm Wed

Air Stagnation Advisory
M.L.King Day

High: 49 °F
Sunny
Tonight

Low: 32 °F
Frost
Tuesday

High: 49 °F
Frost then
SunnyTuesday Night

Low: 32 °F
Frost
Wednesday

High: 46 °F
Frost then
Mostly SunnyWednesday Night

Low: 32 °F
Frost
Thursday

High: 45 °F
Frost then
Mostly SunnyThursday Night

Low: 33 °F
Frost
Detailed Forecast
M.L.King Day
Sunny, with a high near 49. East northeast wind 10 to 13 mph, with gusts as high as 23 mph.
Tonight
Widespread frost after 9pm. Otherwise, mostly clear, with a low around 32. North northeast wind around 6 mph becoming calm in the evening.
Tuesday
Widespread frost, mainly before 9am. Otherwise, mostly sunny, with a high near 49. Light east northeast wind.
Tuesday Night
Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 32. Northeast wind 3 to 5 mph.
Wednesday
Widespread frost, mainly before 9am. Otherwise, mostly sunny, with a high near 46. Calm wind.
Wednesday Night
Widespread frost, mainly between midnight and 4am. Otherwise, mostly cloudy, with a low around 32.
Thursday
Widespread frost between 7am and 11am. Otherwise, partly sunny, with a high near 45.
Thursday Night
Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 33.
Friday
Widespread frost, mainly before 9am. Otherwise, mostly sunny, with a high near 46.
Friday Night
Partly cloudy, with a low around 34.
Saturday
A slight chance of rain and snow. Partly sunny, with a high near 46.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 35.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 47.
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)
11:41 am PST Jan 19, 2026
12pm PST Jan 19, 2026-6pm PST Jan 25, 2026



