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
| 23 October 2026 Fri 7.3 ° C ( 45.1°F )  Sunny |
Feels Like : 5.4 ° C / 41.7°F Humidity : % 77 Pressure : 1025 mb Wind Speed : 3.6 kmph / 2.2 miles from SSW 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 3 |
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 |
|---|---|---|---|---|---|---|---|
| 23 October 2026 Fri | Sunny |
5 ° C | 15.5 ° C | 9.4 ° C | % 68 | 8.3 km/h | 7% |
| 24 October 2026 Sat |  Overcast |
4.6 ° C | 15.5 ° C | 9.4 ° C | % 67 | 4.7 km/h | 16% |
| 25 October 2026 Sun | Overcast |
5.7 ° C | 16.9 ° C | 10.5 ° C | % 57 | 5.4 km/h | 71% |
| 26 October 2026 Mon | Overcast |
7 ° C | 18.9 ° C | 11.4 ° C | % 55 | 8.3 km/h | 57% |
| 27 October 2026 Tue | Overcast |
8.1 ° C | 16.1 ° C | 11.3 ° C | % 64 | 5.8 km/h | 23% |
| 28 October 2026 Wed |  Partly Cloudy |
7.5 ° C | 16.7 ° C | 11.5 ° C | % 67 | 11.5 km/h | 10% |
| 29 October 2026 Thu | Sunny |
8 ° C | 16.9 ° C | 11.9 ° C | % 64 | 7.2 km/h | 5% |
| 30 October 2026 Fri | Partly Cloudy |
7.5 ° C | 15.4 ° C | 11.1 ° C | % 67 | 5.4 km/h | 9% |
| 31 October 2026 Sat | Partly Cloudy |
7.6 ° C | 17.5 ° C | 11.7 ° C | % 70 | 5.8 km/h | 10% |
| 01 November 2026 Sun | Partly Cloudy |
8.4 ° C | 15.8 ° C | 11.8 ° C | % 68 | 5.8 km/h | 10% |
| 02 November 2026 Mon | Sunny |
7.7 ° C | 16.3 ° C | 11.4 ° C | % 74 | 3.6 km/h | 8% |
| 03 November 2026 Tue |  Light drizzle |
7.7 ° C | 14.9 ° C | 11 ° C | % 86 | 2.5 km/h | 86% |
| 04 November 2026 Wed |  Patchy rain nearby |
8.9 ° C | 12.3 ° C | 10.6 ° C | % 88 | 12.2 km/h | 89% |
| 05 November 2026 Thu |  Light rain |
11.1 ° C | 15.4 ° C | 13.1 ° C | % 90 | 19.8 km/h | 91% |
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