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
| 26 October 2026 Mon 11.4 ° C ( 52.6°F )  Patchy rain nearby |
Feels Like : 9.9 ° C / 49.8°F Humidity : % 86 Pressure : 1016 mb Wind Speed : 9.7 kmph / 6 miles from S 
Visibility : 10 km Precipitation (rainfall) : 0.02 mm Cloud (%) : 76 |
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 |
|---|---|---|---|---|---|---|---|
| 26 October 2026 Mon |  Mist |
9 ° C | 11.8 ° C | 10 ° C | % 93 | 14 km/h | 91% |
| 27 October 2026 Tue | Patchy rain nearby |
6.9 ° C | 13.8 ° C | 10 ° C | % 86 | 10.8 km/h | 82% |
| 28 October 2026 Wed | Patchy rain nearby |
6.8 ° C | 13 ° C | 9.2 ° C | % 83 | 16.6 km/h | 84% |
| 29 October 2026 Thu | Mist |
4.2 ° C | 11 ° C | 7 ° C | % 89 | 10.4 km/h | 79% |
| 30 October 2026 Fri | Patchy rain nearby |
4.1 ° C | 10.2 ° C | 6.5 ° C | % 88 | 12.2 km/h | 74% |
| 31 October 2026 Sat | Patchy rain nearby |
3.6 ° C | 10.5 ° C | 6.5 ° C | % 86 | 5.4 km/h | 66% |
| 01 November 2026 Sun |  Partly Cloudy |
3.5 ° C | 9.9 ° C | 6.1 ° C | % 84 | 4 km/h | 17% |
| 02 November 2026 Mon |  Overcast |
3.4 ° C | 12.5 ° C | 7.8 ° C | % 77 | 2.9 km/h | 20% |
| 03 November 2026 Tue | Overcast |
6.5 ° C | 13.3 ° C | 9.4 ° C | % 69 | 3.6 km/h | 17% |
| 04 November 2026 Wed | Overcast |
6.5 ° C | 12 ° C | 9.4 ° C | % 75 | 3.6 km/h | 77% |
| 05 November 2026 Thu | Patchy rain nearby |
8.5 ° C | 14.2 ° C | 11.2 ° C | % 82 | 8.6 km/h | 77% |
| 06 November 2026 Fri | Patchy rain nearby |
8.4 ° C | 13.1 ° C | 10.5 ° C | % 87 | 13 km/h | 91% |
| 07 November 2026 Sat | Patchy rain nearby |
6 ° C | 10.6 ° C | 8.7 ° C | % 89 | 18 km/h | 87% |
| 08 November 2026 Sun |  Light rain |
5.7 ° C | 12.4 ° C | 8.6 ° C | % 96 | 20.2 km/h | 94% |
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