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
| 24 April 2026 Fri 13.3 ° C ( 55.9°F )  Overcast |
Feels Like : 13.4 ° C / 56.1°F Humidity : % 57 Pressure : 1020 mb Wind Speed : 5.4 kmph / 3.4 miles from SSE 
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 |
|---|---|---|---|---|---|---|---|
| 23 April 2026 Thu | Overcast |
6.5 ° C | 13.6 ° C | 10.1 ° C | % 79 | 10.4 km/h | 0% |
| 24 April 2026 Fri |  Sunny |
4.7 ° C | 18.8 ° C | 11.6 ° C | % 61 | 11.2 km/h | 0% |
| 25 April 2026 Sat | Overcast |
4.8 ° C | 20.4 ° C | 12.1 ° C | % 56 | 6.1 km/h | 0% |
| 26 April 2026 Sun |  Patchy rain nearby |
5.4 ° C | 20.1 ° C | 12.1 ° C | % 66 | 9.4 km/h | 87% |
| 27 April 2026 Mon | Patchy rain nearby |
5.1 ° C | 12.5 ° C | 9.1 ° C | % 81 | 7.6 km/h | 87% |
| 28 April 2026 Tue | Overcast |
7.2 ° C | 17.1 ° C | 10 ° C | % 72 | 10.1 km/h | 0% |
| 29 April 2026 Wed | Sunny |
4.5 ° C | 20.2 ° C | 12.2 ° C | % 66 | 5 km/h | 0% |
| 30 April 2026 Thu | Patchy rain nearby |
8.4 ° C | 18.7 ° C | 12.8 ° C | % 74 | 14.4 km/h | 67% |
| 01 May 2026 Fri | Patchy rain nearby |
8.8 ° C | 12.6 ° C | 10.6 ° C | % 85 | 9 km/h | 82% |
| 02 May 2026 Sat | Overcast |
5.7 ° C | 15.5 ° C | 10.3 ° C | % 79 | 7.2 km/h | 0% |
| 03 May 2026 Sun | Sunny |
4.9 ° C | 20.2 ° C | 12.3 ° C | % 68 | 10.8 km/h | 0% |
| 04 May 2026 Mon | Patchy rain nearby |
6 ° C | 16.7 ° C | 10.5 ° C | % 72 | 9 km/h | 0% |
| 05 May 2026 Tue | Patchy rain nearby |
4 ° C | 13.9 ° C | 9.6 ° C | % 63 | 20.9 km/h | 87% |
| 06 May 2026 Wed | Patchy rain nearby |
1.6 ° C | 13.8 ° C | 7.7 ° C | % 59 | 16.6 km/h | 66% |
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