State Airport (HES) 15 Day Weather Forecast, Hermiston United States
Current weather conditions and 15 day weather forecast for State Airport in Hermiston, 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 HES
| 24 August 2026 Mon 19.1 ° C ( 66.4°F )  Clear |
Feels Like : 17.3 ° C / 63.1°F Humidity : % 45 Pressure : 1014 mb Wind Speed : 5.8 kmph / 3.6 miles from ESE 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for State Airport, Hermiston, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 24 August 2026 Mon |  Smoky haze |
15.8 ° C | 33.8 ° C | 25.1 ° C | % 34 | 13.3 km/h | 3% |
| 25 August 2026 Tue | Sunny |
20.7 ° C | 36.1 ° C | 28.3 ° C | % 21 | 14.4 km/h | 3% |
| 26 August 2026 Wed | Sunny |
22.8 ° C | 34.7 ° C | 28.3 ° C | % 24 | 27.7 km/h | 3% |
| 27 August 2026 Thu |  Overcast |
19.9 ° C | 29.6 ° C | 24.5 ° C | % 31 | 29.9 km/h | 5% |
| 28 August 2026 Fri | Sunny |
17.2 ° C | 29.3 ° C | 23.2 ° C | % 29 | 24.1 km/h | 1% |
| 29 August 2026 Sat | Sunny |
18.5 ° C | 27.7 ° C | 22.8 ° C | % 29 | 35.6 km/h | 2% |
| 30 August 2026 Sun | Sunny |
14.4 ° C | 27.1 ° C | 20.2 ° C | % 26 | 25.2 km/h | 0% |
| 31 August 2026 Mon | Sunny |
15.6 ° C | 28.1 ° C | 21.1 ° C | % 26 | 37.1 km/h | 1% |
| 01 September 2026 Tue | Sunny |
15.8 ° C | 26 ° C | 20.1 ° C | % 31 | 38.5 km/h | 1% |
| 02 September 2026 Wed | Sunny |
16.9 ° C | 26.2 ° C | 21.2 ° C | % 34 | 37.1 km/h | 3% |
| 03 September 2026 Thu | Sunny |
14.6 ° C | 24 ° C | 18.6 ° C | % 37 | 39.2 km/h | 1% |
| 04 September 2026 Fri | Sunny |
11.8 ° C | 23.5 ° C | 17.3 ° C | % 39 | 17.3 km/h | 1% |
| 05 September 2026 Sat | Overcast |
13.6 ° C | 24.5 ° C | 19.2 ° C | % 26 | 32 km/h | 4% |
| 06 September 2026 Sun | Sunny |
13 ° C | 22.8 ° C | 18 ° C | % 44 | 31.3 km/h | 4% |
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