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
| 31 January 2026 Sat 6.7 ° C ( 44.1°F )  Fog |
Feels Like : 6.6 ° C / 43.9°F Humidity : % 100 Pressure : 1022 mb Wind Speed : 3.6 kmph / 2.2 miles from SE 
Visibility : 0.4 km Precipitation (rainfall) : 0 mm Cloud (%) : 60 |
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 |
|---|---|---|---|---|---|---|---|
| 31 January 2026 Sat |  Partly Cloudy |
5.3 ° C | 17.4 ° C | 9.6 ° C | % 91 | 3.2 km/h | 0% |
| 01 February 2026 Sun |  Patchy rain nearby |
5.6 ° C | 10.8 ° C | 8 ° C | % 95 | 13.7 km/h | 84% |
| 02 February 2026 Mon |  Mist |
8.1 ° C | 11.6 ° C | 9.6 ° C | % 91 | 4.7 km/h | 0% |
| 03 February 2026 Tue | Fog |
6.5 ° C | 13.6 ° C | 9.2 ° C | % 91 | 5 km/h | 0% |
| 04 February 2026 Wed |  Sunny |
5.1 ° C | 15.1 ° C | 9.1 ° C | % 77 | 4.3 km/h | 0% |
| 05 February 2026 Thu | Sunny |
5.1 ° C | 15.3 ° C | 9.5 ° C | % 79 | 6.1 km/h | 0% |
| 06 February 2026 Fri | Partly Cloudy |
5.1 ° C | 13.7 ° C | 8.6 ° C | % 80 | 5.8 km/h | 0% |
| 07 February 2026 Sat | Sunny |
4.2 ° C | 12.7 ° C | 7.8 ° C | % 84 | 5 km/h | 0% |
| 08 February 2026 Sun | Sunny |
3.5 ° C | 12.7 ° C | 7.3 ° C | % 74 | 9.7 km/h | 0% |
| 09 February 2026 Mon | Sunny |
2.5 ° C | 11.3 ° C | 6.2 ° C | % 76 | 5.4 km/h | 0% |
| 10 February 2026 Tue |  Overcast |
4.8 ° C | 12.1 ° C | 7.9 ° C | % 82 | 6.5 km/h | 0% |
| 11 February 2026 Wed | Mist |
4.5 ° C | 10.9 ° C | 7.2 ° C | % 84 | 3.2 km/h | 0% |
| 12 February 2026 Thu | Overcast |
6.1 ° C | 10.6 ° C | 7.6 ° C | % 81 | 4 km/h | 0% |
| 13 February 2026 Fri | Partly Cloudy |
4.8 ° C | 12 ° C | 8.2 ° C | % 66 | 2.9 km/h | 0% |
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