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
| 22 February 2026 Sun 7.2 ° C ( 45°F )  Overcast |
Feels Like : 6.4 ° C / 43.6°F Humidity : % 60 Pressure : 1012 mb Wind Speed : 5.4 kmph / 3.4 miles from ENE 
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 |
|---|---|---|---|---|---|---|---|
| 22 February 2026 Sun |  Moderate rain |
4.3 ° C | 10.7 ° C | 7 ° C | % 87 | 6.8 km/h | 89% |
| 23 February 2026 Mon |  Heavy rain |
6.3 ° C | 10.3 ° C | 8.5 ° C | % 97 | 7.9 km/h | 89% |
| 24 February 2026 Tue | Moderate rain |
1.7 ° C | 5.7 ° C | 5.2 ° C | % 98 | 7.6 km/h | 89% |
| 25 February 2026 Wed |  Patchy rain nearby |
1.4 ° C | 9.7 ° C | 4.9 ° C | % 77 | 6.5 km/h | 87% |
| 26 February 2026 Thu |  Sunny |
0.1 ° C | 11 ° C | 3.5 ° C | % 83 | 4.7 km/h | 0% |
| 27 February 2026 Fri | Sunny |
0.6 ° C | 10.8 ° C | 5.3 ° C | % 77 | 6.8 km/h | 0% |
| 28 February 2026 Sat |  Partly Cloudy |
0.4 ° C | 10.8 ° C | 5.3 ° C | % 76 | 8.6 km/h | 0% |
| 01 March 2026 Sun | Overcast |
2.9 ° C | 12.8 ° C | 7 ° C | % 75 | 4.7 km/h | 0% |
| 02 March 2026 Mon | Sunny |
2.2 ° C | 12.3 ° C | 6.7 ° C | % 75 | 4 km/h | 0% |
| 03 March 2026 Tue | Partly Cloudy |
3.7 ° C | 11.9 ° C | 7.4 ° C | % 75 | 3.2 km/h | 0% |
| 04 March 2026 Wed | Partly Cloudy |
4.3 ° C | 15.4 ° C | 8.7 ° C | % 71 | 5.4 km/h | 0% |
| 05 March 2026 Thu | Patchy rain nearby |
6.9 ° C | 11.1 ° C | 8.2 ° C | % 79 | 13.7 km/h | 71% |
| 06 March 2026 Fri | Patchy rain nearby |
4.8 ° C | 8.3 ° C | 6.5 ° C | % 86 | 18.4 km/h | 80% |
| 07 March 2026 Sat | Patchy rain nearby |
1.9 ° C | 8.2 ° C | 4.3 ° C | % 82 | 15.5 km/h | 85% |
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