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
| 13 September 2026 Sun 11.9 ° C ( 53.4°F )  Overcast |
Feels Like : 7.9 ° C / 46.2°F Humidity : % 75 Pressure : 1013 mb Wind Speed : 23.8 kmph / 14.8 miles from WSW 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15-day weather forecast for State Airport, Hermiston, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 13 September 2026 Sun |  Patchy rain nearby |
11.8 ° C | 15 ° C | 13.1 ° C | % 69 | 32 km/h | 76% |
| 14 September 2026 Mon |  Sunny |
13.2 ° C | 21.6 ° C | 17.4 ° C | % 46 | 21.2 km/h | 2% |
| 15 September 2026 Tue | Sunny |
14.4 ° C | 22.7 ° C | 18.4 ° C | % 42 | 11.9 km/h | 4% |
| 16 September 2026 Wed | Sunny |
15.6 ° C | 25.1 ° C | 20.2 ° C | % 38 | 8.3 km/h | 1% |
| 17 September 2026 Thu | Sunny |
17.4 ° C | 27.1 ° C | 22 ° C | % 32 | 7.6 km/h | 1% |
| 18 September 2026 Fri | Sunny |
18.9 ° C | 29.2 ° C | 23.5 ° C | % 27 | 9 km/h | 0% |
| 19 September 2026 Sat | Sunny |
19.7 ° C | 30.5 ° C | 24.5 ° C | % 24 | 10.1 km/h | 1% |
| 20 September 2026 Sun | Overcast |
19.8 ° C | 27.8 ° C | 23.4 ° C | % 30 | 25.9 km/h | 4% |
| 21 September 2026 Mon | Sunny |
17.1 ° C | 24.7 ° C | 20.7 ° C | % 39 | 27.7 km/h | 4% |
| 22 September 2026 Tue | Sunny |
17.6 ° C | 26 ° C | 21.4 ° C | % 37 | 21.6 km/h | 3% |
| 23 September 2026 Wed | Sunny |
13.1 ° C | 23.2 ° C | 19.1 ° C | % 38 | 39.2 km/h | 3% |
| 24 September 2026 Thu | Sunny |
10.2 ° C | 18.2 ° C | 14.1 ° C | % 42 | 35.6 km/h | 2% |
| 25 September 2026 Fri | Overcast |
11.8 ° C | 17.5 ° C | 14.8 ° C | % 38 | 25.6 km/h | 8% |
| 26 September 2026 Sat | Overcast |
8.8 ° C | 18 ° C | 13.4 ° C | % 43 | 19.8 km/h | 17% |
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