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 June 2026 Wed 22.2 ° C ( 72°F )  Overcast |
Feels Like : 24.6 ° C / 76.3°F Humidity : % 38 Pressure : 1020 mb Wind Speed : 9.7 kmph / 6 miles from S 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
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 June 2026 Wed |  Patchy rain nearby |
11.9 ° C | 24 ° C | 17.9 ° C | % 57 | 14 km/h | 73% |
| 04 June 2026 Thu |  Partly Cloudy |
10 ° C | 23.8 ° C | 16.1 ° C | % 56 | 14.4 km/h | 1% |
| 05 June 2026 Fri | Patchy rain nearby |
6.6 ° C | 17.6 ° C | 12.1 ° C | % 66 | 10.4 km/h | 73% |
| 06 June 2026 Sat | Patchy rain nearby |
6.3 ° C | 16.8 ° C | 11.3 ° C | % 69 | 13.3 km/h | 73% |
| 07 June 2026 Sun | Partly Cloudy |
5 ° C | 21.2 ° C | 13 ° C | % 63 | 8.6 km/h | 2% |
| 08 June 2026 Mon | Patchy rain nearby |
8.3 ° C | 11.4 ° C | 10.7 ° C | % 85 | 14 km/h | 92% |
| 09 June 2026 Tue | Patchy rain nearby |
7.4 ° C | 16.2 ° C | 12.5 ° C | % 72 | 11.5 km/h | 73% |
| 10 June 2026 Wed | Patchy rain nearby |
8.5 ° C | 16.6 ° C | 11.5 ° C | % 87 | 5.8 km/h | 84% |
| 11 June 2026 Thu |  Cloudy |
6.7 ° C | 16.2 ° C | 11.8 ° C | % 81 | 9 km/h | 18% |
| 12 June 2026 Fri | Partly Cloudy |
8 ° C | 24.1 ° C | 16 ° C | % 70 | 6.5 km/h | 4% |
| 13 June 2026 Sat | Overcast |
10.5 ° C | 18.7 ° C | 14.4 ° C | % 76 | 5.8 km/h | 13% |
| 14 June 2026 Sun | Patchy rain nearby |
11 ° C | 17.6 ° C | 14.8 ° C | % 76 | 6.5 km/h | 73% |
| 15 June 2026 Mon |  Sunny |
8.4 ° C | 24.6 ° C | 15.8 ° C | % 65 | 14.4 km/h | 2% |
| 16 June 2026 Tue | Sunny |
8.7 ° C | 23.3 ° C | 15.9 ° C | % 63 | 18.4 km/h | 1% |
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