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Hazardous Weather Conditions
Current conditions at
Portland-Hillsboro Airport (KHIO)
Lat: 45.54765°NLon: 122.95568°WElev: 194.0ft.
Mostly Cloudy
48°F
9°C
| Humidity | 61% |
| Wind Speed | WSW 12 MPH |
| Barometer | 29.94 in (1013.89 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 43°F (6°C) |
| Last update | 15 Apr 02:50 PM PDT |
Extended Forecast for
4 Miles NNE Hillsboro OR
Frost Advisory April 16, 01:00am until April 16, 09:00am
Tonight
Low: 34 °F
Showers then
Chance
Showers and
Patchy FogThursday
High: 56 °F
Patchy Frost
and Patchy
Fog then
Partly SunnyThursday Night

Low: 36 °F
Partly Cloudy
then Patchy
FrostFriday

High: 60 °F
Partly Sunny
Friday Night

Low: 41 °F
Mostly Cloudy
Saturday

High: 66 °F
Partly Sunny
Saturday Night

Low: 49 °F
Chance Rain
Sunday

High: 68 °F
Chance Rain
Sunday Night
Low: 47 °F
Slight Chance
Rain then
Mostly Cloudy
Detailed Forecast
Tonight
Showers and thunderstorms before 1am, then a slight chance of showers after 3am. Patchy fog before 3am, then patchy fog after 4am. Areas of frost after 5am. Snow level 1600 feet. Low around 34. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Thursday
Patchy fog before 8am. Patchy frost before 9am. Otherwise, mostly sunny, with a high near 56. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Patchy frost after 4am. Otherwise, partly cloudy, with a low around 36. West wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 60. Calm wind.
Friday Night
Mostly cloudy, with a low around 41. Calm wind.
Saturday
Partly sunny, with a high near 66.
Saturday Night
A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 49.
Sunday
A chance of rain. Mostly cloudy, with a high near 68.
Sunday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 47.
Monday
A slight chance of rain after 11am. Partly sunny, with a high near 70.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 49.
Tuesday
A chance of rain. Mostly cloudy, with a high near 64.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 47.
Wednesday
A chance of rain. Mostly cloudy, with a high near 61.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles NNE Hillsboro OR
45.6°N 122.91°W (Elev. 397 ft)
45.6°N 122.91°W (Elev. 397 ft)
8:41 pm PDT Apr 15, 2026
9pm PDT Apr 15, 2026-6pm PDT Apr 22, 2026



