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Current conditions at
Portland-Hillsboro Airport (KHIO)
Lat: 45.54765°NLon: 122.95568°WElev: 194.0ft.
Fog
39°F
4°C
| Humidity | 100% |
| Wind Speed | W 5 MPH |
| Barometer | 30.03 in (1016.93 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 0.24 mi |
| Wind Chill | 35°F (2°C) |
| Last update | 01 Feb 12:00 AM PST |
Extended Forecast for
2 Miles WSW Hillsboro OR
Overnight

Low: 42 °F
Rain and
Areas FogSunday

High: 54 °F
Rain
Sunday Night

Low: 43 °F
Chance
Showers and
Patchy FogMonday

High: 54 °F
Chance
Showers and
Patchy FogMonday Night

Low: 41 °F
Patchy Fog
Tuesday
High: 58 °F
Areas Fog
then Partly
SunnyTuesday Night

Low: 41 °F
Mostly Cloudy
Wednesday

High: 59 °F
Mostly Sunny
Wednesday Night

Low: 38 °F
Partly Cloudy
Detailed Forecast
Overnight
Rain, mainly after 4am. Areas of fog. Low around 42. Calm wind. Chance of precipitation is 80%.
Sunday
Rain before 10am, then showers, mainly between 10am and 2pm. High near 54. South wind 3 to 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 40 percent chance of showers. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 43. Calm wind.
Monday
A 50 percent chance of showers. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 54. Calm wind.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 41. Calm wind.
Tuesday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 38.
Friday
Mostly sunny, with a high near 58.
Friday Night
A slight chance of rain. Patchy fog. Otherwise, partly cloudy, with a low around 40.
Saturday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 56.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles WSW Hillsboro OR
45.52°N 122.98°W (Elev. 161 ft)
45.52°N 122.98°W (Elev. 161 ft)
11:41 pm PST Jan 31, 2026
12am PST Feb 1, 2026-6pm PST Feb 7, 2026


