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
| 17 June 2026 Wed 22.2 ° C ( 72°F )  Clear |
Feels Like : 23.9 ° C / 75°F Humidity : % 25 Pressure : 1012 mb Wind Speed : 14 kmph / 8.7 miles from NW 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for Ontario Airport, Ontario, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 17 June 2026 Wed | Sunny |
16.7 ° C | 33.1 ° C | 24.8 ° C | % 24 | 29.2 km/h | 0% |
| 18 June 2026 Thu | Sunny |
11.8 ° C | 31.1 ° C | 21.7 ° C | % 26 | 12.6 km/h | 1% |
| 19 June 2026 Fri | Sunny |
15 ° C | 36.3 ° C | 25.6 ° C | % 23 | 38.9 km/h | 2% |
| 20 June 2026 Sat |  Patchy rain nearby |
18.1 ° C | 31 ° C | 24.1 ° C | % 43 | 35.6 km/h | 36% |
| 21 June 2026 Sun | Sunny |
14.7 ° C | 33.3 ° C | 21.6 ° C | % 37 | 12.2 km/h | 1% |
| 22 June 2026 Mon | Sunny |
15.8 ° C | 35 ° C | 25.6 ° C | % 26 | 12.6 km/h | 1% |
| 23 June 2026 Tue | Sunny |
17.6 ° C | 38.4 ° C | 28 ° C | % 23 | 23.4 km/h | 1% |
| 24 June 2026 Wed | Sunny |
17.8 ° C | 36 ° C | 27.1 ° C | % 23 | 27.4 km/h | 1% |
| 25 June 2026 Thu | Sunny |
12.5 ° C | 26.5 ° C | 20.1 ° C | % 27 | 24.1 km/h | 2% |
| 26 June 2026 Fri | Sunny |
8.9 ° C | 26.2 ° C | 18 ° C | % 36 | 17.3 km/h | 1% |
| 27 June 2026 Sat | Patchy rain nearby |
13.8 ° C | 26.1 ° C | 19.5 ° C | % 40 | 24.5 km/h | 17% |
| 28 June 2026 Sun | Sunny |
10.8 ° C | 31.2 ° C | 21 ° C | % 36 | 12.6 km/h | 1% |
| 29 June 2026 Mon | Sunny |
14 ° C | 33.3 ° C | 24.1 ° C | % 28 | 12.6 km/h | 0% |
| 30 June 2026 Tue | Sunny |
15.1 ° C | 37.1 ° C | 26.5 ° C | % 22 | 14.4 km/h | 1% |
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