Portland Hillsboro Airport (HIO) 15 Day Weather Forecast, Hillsboro United States
Current weather conditions and 15 day weather forecast for Portland Hillsboro Airport in Hillsboro, United States including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at HIO
| 14 July 2026 Tue 18.9 ° C ( 66°F )  Clear |
Feels Like : 18.9 ° C / 66°F Humidity : % 59 Pressure : 1016 mb Wind Speed : 5 kmph / 3.1 miles from NW 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for Portland Hillsboro Airport, Hillsboro, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 14 July 2026 Tue | Sunny |
14.1 ° C | 32.4 ° C | 23 ° C | % 47 | 12.6 km/h | 1% |
| 15 July 2026 Wed | Sunny |
14.5 ° C | 33.9 ° C | 24 ° C | % 43 | 11.5 km/h | 1% |
| 16 July 2026 Thu | Sunny |
16.6 ° C | 30.9 ° C | 22.3 ° C | % 52 | 13.7 km/h | 17% |
| 17 July 2026 Fri | Sunny |
12.2 ° C | 30.1 ° C | 20.4 ° C | % 58 | 16.6 km/h | 3% |
| 18 July 2026 Sat | Sunny |
11.8 ° C | 29.6 ° C | 19.9 ° C | % 56 | 15.8 km/h | 2% |
| 19 July 2026 Sun | Sunny |
10.8 ° C | 30 ° C | 19.8 ° C | % 56 | 15.8 km/h | 2% |
| 20 July 2026 Mon | Sunny |
12.5 ° C | 33 ° C | 22.4 ° C | % 50 | 11.2 km/h | 2% |
| 21 July 2026 Tue | Sunny |
15.2 ° C | 36.9 ° C | 25.4 ° C | % 45 | 9 km/h | 1% |
| 22 July 2026 Wed | Sunny |
17.8 ° C | 38.5 ° C | 27.2 ° C | % 42 | 13 km/h | 1% |
| 23 July 2026 Thu | Sunny |
16.9 ° C | 37 ° C | 26.3 ° C | % 39 | 17.3 km/h | 1% |
| 24 July 2026 Fri | Sunny |
14.6 ° C | 34.7 ° C | 23.5 ° C | % 47 | 9.4 km/h | 1% |
| 25 July 2026 Sat | Sunny |
12.8 ° C | 31.9 ° C | 21.2 ° C | % 50 | 11.9 km/h | 2% |
| 26 July 2026 Sun | Sunny |
11.9 ° C | 33.1 ° C | 21.9 ° C | % 53 | 12.2 km/h | 2% |
| 27 July 2026 Mon | Sunny |
15.4 ° C | 33.7 ° C | 23.4 ° C | % 49 | 20.2 km/h | 1% |
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