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
| 24 April 2026 Fri 6.7 ° C ( 44.1°F )  Clear |
Feels Like : 4.8 ° C / 40.7°F Humidity : % 73 Pressure : 1014 mb Wind Speed : 9.4 kmph / 5.8 miles from NNW 
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 |
|---|---|---|---|---|---|---|---|
| 24 April 2026 Fri | Sunny |
3.1 ° C | 13.1 ° C | 8.3 ° C | % 49 | 27.7 km/h | 0% |
| 25 April 2026 Sat |  Partly Cloudy |
1.6 ° C | 14 ° C | 7.8 ° C | % 47 | 8.3 km/h | 0% |
| 26 April 2026 Sun | Sunny |
2.5 ° C | 16.2 ° C | 9.4 ° C | % 46 | 15.5 km/h | 0% |
| 27 April 2026 Mon | Sunny |
4 ° C | 17.7 ° C | 10.6 ° C | % 51 | 20.5 km/h | 0% |
| 28 April 2026 Tue |  Overcast |
6.2 ° C | 17.4 ° C | 10.3 ° C | % 53 | 11.2 km/h | 0% |
| 29 April 2026 Wed | Sunny |
7.1 ° C | 20.3 ° C | 13.5 ° C | % 45 | 13.3 km/h | 0% |
| 30 April 2026 Thu | Sunny |
7 ° C | 23 ° C | 14.7 ° C | % 48 | 17.3 km/h | 0% |
| 01 May 2026 Fri | Sunny |
9 ° C | 25.3 ° C | 16.7 ° C | % 44 | 13.3 km/h | 0% |
| 02 May 2026 Sat | Sunny |
10.2 ° C | 25 ° C | 17.3 ° C | % 37 | 10.4 km/h | 0% |
| 03 May 2026 Sun | Sunny |
10 ° C | 25.2 ° C | 17 ° C | % 38 | 15.8 km/h | 0% |
| 04 May 2026 Mon | Sunny |
10.2 ° C | 26.8 ° C | 17.9 ° C | % 49 | 11.5 km/h | 0% |
| 05 May 2026 Tue |  Patchy rain nearby |
12.8 ° C | 24.8 ° C | 17.6 ° C | % 60 | 25.6 km/h | 69% |
| 06 May 2026 Wed | Patchy rain nearby |
10.6 ° C | 20.6 ° C | 15.8 ° C | % 69 | 19.8 km/h | 77% |
| 07 May 2026 Thu | Sunny |
9.7 ° C | 21.6 ° C | 15.6 ° C | % 59 | 25.2 km/h | 0% |
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