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 March 2026 Sat 11.7 ° C ( 53.1°F )  Overcast |
Feels Like : 9.3 ° C / 48.7°F Humidity : % 56 Pressure : 1011 mb Wind Speed : 22.7 kmph / 14.1 miles from W 
Visibility : 16 km Precipitation (rainfall) : 0.05 mm Cloud (%) : 100 |
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 March 2026 Sat |  Sunny |
-1.1 ° C | 12.9 ° C | 8 ° C | % 53 | 50.4 km/h | 0% |
| 15 March 2026 Sun |  Partly Cloudy |
-2.7 ° C | 8.5 ° C | 3.1 ° C | % 53 | 10.4 km/h | 0% |
| 16 March 2026 Mon |  Cloudy |
0.7 ° C | 11 ° C | 5.3 ° C | % 59 | 7.2 km/h | 0% |
| 17 March 2026 Tue | Sunny |
-1.4 ° C | 19.7 ° C | 8.6 ° C | % 65 | 9 km/h | 0% |
| 18 March 2026 Wed | Sunny |
8.2 ° C | 23.3 ° C | 15.1 ° C | % 47 | 8.6 km/h | 0% |
| 19 March 2026 Thu | Sunny |
11.7 ° C | 24.5 ° C | 17.2 ° C | % 40 | 9.4 km/h | 0% |
| 20 March 2026 Fri | Overcast |
12.6 ° C | 24.3 ° C | 17.6 ° C | % 39 | 9 km/h | 0% |
| 21 March 2026 Sat | Partly Cloudy |
13.7 ° C | 23.6 ° C | 17.9 ° C | % 44 | 6.5 km/h | 0% |
| 22 March 2026 Sun | Sunny |
12.4 ° C | 19.9 ° C | 15.7 ° C | % 57 | 14.8 km/h | 0% |
| 23 March 2026 Mon | Partly Cloudy |
6.8 ° C | 13.1 ° C | 10.1 ° C | % 51 | 25.2 km/h | 0% |
| 24 March 2026 Tue | Partly Cloudy |
7 ° C | 14.2 ° C | 9.9 ° C | % 53 | 10.1 km/h | 0% |
| 25 March 2026 Wed | Overcast |
6 ° C | 8.9 ° C | 7.5 ° C | % 63 | 34.9 km/h | 0% |
| 26 March 2026 Thu | Sunny |
2.6 ° C | 14.9 ° C | 8.2 ° C | % 56 | 23.4 km/h | 0% |
| 27 March 2026 Fri | Sunny |
4 ° C | 16.1 ° C | 9.5 ° C | % 56 | 23.4 km/h | 0% |
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