Ontario Airport (ONO) 15 Day Weather Forecast, Ontario United States
Current weather conditions and 15 day weather forecast for Ontario Airport in Ontario, 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 ONO
| 14 July 2026 Tue 20.6 ° C ( 69.1°F )  Light rain |
Feels Like : 20.6 ° C / 69.1°F Humidity : % 73 Pressure : 1017 mb Wind Speed : 8.6 kmph / 5.4 miles from WNW 
Visibility : 16 km Precipitation (rainfall) : 0.01 mm Cloud (%) : 75 |
15-day weather forecast for Ontario Airport, Ontario, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 14 July 2026 Tue |  Sunny |
22 ° C | 33.6 ° C | 26.9 ° C | % 39 | 18 km/h | 36% |
| 15 July 2026 Wed | Sunny |
18.9 ° C | 37 ° C | 28.3 ° C | % 35 | 15.5 km/h | 1% |
| 16 July 2026 Thu | Sunny |
19.8 ° C | 40.9 ° C | 30.6 ° C | % 22 | 10.8 km/h | 0% |
| 17 July 2026 Fri | Sunny |
21.8 ° C | 40.7 ° C | 31.4 ° C | % 20 | 21.6 km/h | 4% |
| 18 July 2026 Sat | Sunny |
21.6 ° C | 39.2 ° C | 30.7 ° C | % 32 | 26.6 km/h | 1% |
| 19 July 2026 Sun | Sunny |
22.6 ° C | 40.3 ° C | 31.3 ° C | % 32 | 22.7 km/h | 1% |
| 20 July 2026 Mon | Sunny |
20.1 ° C | 40.5 ° C | 30.5 ° C | % 20 | 19.1 km/h | 2% |
| 21 July 2026 Tue | Sunny |
22.9 ° C | 42.1 ° C | 33.3 ° C | % 16 | 16.6 km/h | 2% |
| 22 July 2026 Wed | Sunny |
23.5 ° C | 43.3 ° C | 33.2 ° C | % 17 | 15.1 km/h | 1% |
| 23 July 2026 Thu |  Partly Cloudy |
23.1 ° C | 41.6 ° C | 32.5 ° C | % 18 | 17.3 km/h | 17% |
| 24 July 2026 Fri | Sunny |
22.8 ° C | 42.5 ° C | 33.2 ° C | % 26 | 28.8 km/h | 1% |
| 25 July 2026 Sat | Sunny |
22.3 ° C | 40.3 ° C | 31.5 ° C | % 18 | 25.2 km/h | 0% |
| 26 July 2026 Sun | Sunny |
18 ° C | 37.4 ° C | 27.7 ° C | % 15 | 21.2 km/h | 0% |
| 27 July 2026 Mon | Sunny |
15 ° C | 34.3 ° C | 24.8 ° C | % 24 | 24.8 km/h | 0% |
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