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
| 03 October 2026 Sat 12.6 ° C ( 54.7°F )  Clear |
Feels Like : 12.3 ° C / 54.1°F Humidity : % 92 Pressure : 1017 mb Wind Speed : 4.3 kmph / 2.7 miles from NNW 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 5 |
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 |
|---|---|---|---|---|---|---|---|
| 03 October 2026 Sat | Sunny |
12.5 ° C | 27.4 ° C | 18.5 ° C | % 67 | 6.8 km/h | 4% |
| 04 October 2026 Sun | Sunny |
12.9 ° C | 28.2 ° C | 19.4 ° C | % 60 | 7.2 km/h | 4% |
| 05 October 2026 Mon |  Overcast |
12.6 ° C | 26.3 ° C | 18.7 ° C | % 60 | 12.6 km/h | 8% |
| 06 October 2026 Tue | Sunny |
11.9 ° C | 25 ° C | 17.3 ° C | % 68 | 13.7 km/h | 5% |
| 07 October 2026 Wed | Sunny |
10.2 ° C | 25.7 ° C | 16.8 ° C | % 55 | 14.8 km/h | 2% |
| 08 October 2026 Thu | Sunny |
11.9 ° C | 26.5 ° C | 17.8 ° C | % 56 | 7.6 km/h | 3% |
| 09 October 2026 Fri | Overcast |
9.5 ° C | 22.3 ° C | 14.9 ° C | % 68 | 16.2 km/h | 14% |
| 10 October 2026 Sat | Overcast |
8.3 ° C | 16.6 ° C | 11.8 ° C | % 61 | 13 km/h | 12% |
| 11 October 2026 Sun |  Patchy rain nearby |
7.6 ° C | 16.3 ° C | 10.5 ° C | % 76 | 10.4 km/h | 24% |
| 12 October 2026 Mon | Patchy rain nearby |
9.3 ° C | 16.8 ° C | 12.6 ° C | % 77 | 20.9 km/h | 72% |
| 13 October 2026 Tue | Overcast |
8.7 ° C | 16.9 ° C | 12.6 ° C | % 61 | 9.7 km/h | 9% |
| 14 October 2026 Wed | Sunny |
6.9 ° C | 17.3 ° C | 11.6 ° C | % 67 | 17.6 km/h | 10% |
| 15 October 2026 Thu | Sunny |
7.1 ° C | 17.5 ° C | 11.9 ° C | % 62 | 13.7 km/h | 5% |
| 16 October 2026 Fri | Sunny |
7.4 ° C | 20.4 ° C | 12.8 ° C | % 43 | 17.3 km/h | 1% |
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