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 May 2026 Thu 14.4 ° C ( 57.9°F )  Sunny |
Feels Like : 14.7 ° C / 58.4°F Humidity : % 40 Pressure : 1022 mb Wind Speed : 5.4 kmph / 3.4 miles from SW 
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 |
|---|---|---|---|---|---|---|---|
| 14 May 2026 Thu | Sunny |
7.1 ° C | 24.9 ° C | 15.7 ° C | % 38 | 15.1 km/h | 0% |
| 15 May 2026 Fri | Sunny |
7.9 ° C | 21.4 ° C | 14.2 ° C | % 42 | 19.4 km/h | 0% |
| 16 May 2026 Sat |  Partly Cloudy |
7.9 ° C | 16.1 ° C | 12.2 ° C | % 39 | 33.8 km/h | 0% |
| 17 May 2026 Sun | Sunny |
2.8 ° C | 16.9 ° C | 10 ° C | % 46 | 29.9 km/h | 0% |
| 18 May 2026 Mon | Partly Cloudy |
2.6 ° C | 17.4 ° C | 10.2 ° C | % 48 | 11.5 km/h | 0% |
| 19 May 2026 Tue | Sunny |
6 ° C | 22.3 ° C | 13.7 ° C | % 41 | 10.1 km/h | 0% |
| 20 May 2026 Wed | Sunny |
8.4 ° C | 24.5 ° C | 16.3 ° C | % 45 | 11.5 km/h | 0% |
| 21 May 2026 Thu | Sunny |
11.3 ° C | 27.5 ° C | 19 ° C | % 42 | 9.4 km/h | 0% |
| 22 May 2026 Fri | Sunny |
11.4 ° C | 27.7 ° C | 18.6 ° C | % 44 | 32.4 km/h | 0% |
| 23 May 2026 Sat |  Patchy rain nearby |
3.8 ° C | 10.5 ° C | 7.4 ° C | % 59 | 29.2 km/h | 89% |
| 24 May 2026 Sun | Partly Cloudy |
1.5 ° C | 15.8 ° C | 8.3 ° C | % 62 | 10.1 km/h | 0% |
| 25 May 2026 Mon | Partly Cloudy |
4.2 ° C | 19.7 ° C | 11.7 ° C | % 48 | 18.4 km/h | 0% |
| 26 May 2026 Tue | Sunny |
6.7 ° C | 21.2 ° C | 14.5 ° C | % 50 | 11.9 km/h | 0% |
| 27 May 2026 Wed | Sunny |
8.6 ° C | 22.9 ° C | 15.9 ° C | % 46 | 19.1 km/h | 0% |
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