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
| 04 April 2026 Sat 13.9 ° C ( 57°F )  Sunny |
Feels Like : 13.9 ° C / 56.9°F Humidity : % 33 Pressure : 1028 mb Wind Speed : 6.5 kmph / 4 miles from ENE 
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 |
|---|---|---|---|---|---|---|---|
| 03 April 2026 Fri | Sunny |
0.5 ° C | 15 ° C | 7.3 ° C | % 61 | 12.6 km/h | 0% |
| 04 April 2026 Sat | Sunny |
0.2 ° C | 20.4 ° C | 10.3 ° C | % 58 | 4.7 km/h | 0% |
| 05 April 2026 Sun | Sunny |
1.3 ° C | 20.9 ° C | 11.1 ° C | % 65 | 9.7 km/h | 0% |
| 06 April 2026 Mon | Sunny |
3.9 ° C | 22.8 ° C | 13.1 ° C | % 61 | 10.8 km/h | 0% |
| 07 April 2026 Tue |  Partly Cloudy |
11.2 ° C | 21.8 ° C | 15.9 ° C | % 39 | 31.7 km/h | 0% |
| 08 April 2026 Wed | Sunny |
3.9 ° C | 15 ° C | 8.4 ° C | % 38 | 13 km/h | 0% |
| 09 April 2026 Thu | Sunny |
3.1 ° C | 16.6 ° C | 9.6 ° C | % 40 | 9.7 km/h | 0% |
| 10 April 2026 Fri |  Overcast |
5.8 ° C | 14.8 ° C | 10 ° C | % 47 | 14.4 km/h | 0% |
| 11 April 2026 Sat |  Patchy rain nearby |
6.3 ° C | 10.5 ° C | 8.2 ° C | % 72 | 16.6 km/h | 85% |
| 12 April 2026 Sun | Patchy rain nearby |
2.4 ° C | 13.3 ° C | 7.4 ° C | % 64 | 10.4 km/h | 0% |
| 13 April 2026 Mon | Patchy rain nearby |
5.7 ° C | 12.5 ° C | 8.6 ° C | % 65 | 18.4 km/h | 88% |
| 14 April 2026 Tue | Sunny |
5.8 ° C | 15.8 ° C | 10.1 ° C | % 51 | 26.6 km/h | 0% |
| 15 April 2026 Wed | Sunny |
3.3 ° C | 17.9 ° C | 10.1 ° C | % 47 | 18.4 km/h | 0% |
| 16 April 2026 Thu | Sunny |
6 ° C | 21.5 ° C | 13.3 ° C | % 42 | 25.6 km/h | 0% |
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