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
| 11 January 2026 Sun -4.9 ° C ( 23.2°F )  Sunny |
Feels Like : -6.3 ° C / 20.7°F Humidity : % 92 Pressure : 1038 mb Wind Speed : 3.6 kmph / 2.2 miles from ESE 
Visibility : 13 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 |
|---|---|---|---|---|---|---|---|
| 11 January 2026 Sun | Sunny |
-2.8 ° C | 6.6 ° C | -0.3 ° C | % 82 | 9.7 km/h | 0% |
| 12 January 2026 Mon |  Mist |
-3.4 ° C | -2.2 ° C | -2.8 ° C | % 95 | 6.5 km/h | 0% |
| 13 January 2026 Tue | Mist |
-4.2 ° C | 4.1 ° C | -1.8 ° C | % 88 | 4 km/h | 0% |
| 14 January 2026 Wed | Sunny |
0.1 ° C | 8 ° C | 3.3 ° C | % 62 | 4 km/h | 0% |
| 15 January 2026 Thu | Sunny |
1 ° C | 8.8 ° C | 3.3 ° C | % 62 | 5.8 km/h | 0% |
| 16 January 2026 Fri | Sunny |
0.4 ° C | 7.8 ° C | 3.6 ° C | % 57 | 8.3 km/h | 0% |
| 17 January 2026 Sat | Sunny |
0.2 ° C | 7.2 ° C | 3.2 ° C | % 52 | 4.7 km/h | 0% |
| 18 January 2026 Sun | Sunny |
-0.4 ° C | 7.1 ° C | 3 ° C | % 54 | 7.6 km/h | 0% |
| 19 January 2026 Mon | Sunny |
-0.4 ° C | 6.8 ° C | 2.8 ° C | % 56 | 5 km/h | 0% |
| 20 January 2026 Tue | Sunny |
-0.5 ° C | 7.8 ° C | 3 ° C | % 57 | 9.4 km/h | 0% |
| 21 January 2026 Wed | Sunny |
-0.8 ° C | 6.9 ° C | 2.9 ° C | % 56 | 5.8 km/h | 0% |
| 22 January 2026 Thu |  Patchy rain nearby |
1.2 ° C | 6.5 ° C | 3.7 ° C | % 62 | 29.2 km/h | 74% |
| 23 January 2026 Fri |  Partly Cloudy |
-2.2 ° C | 3.4 ° C | 0.8 ° C | % 43 | 30.6 km/h | 0% |
| 24 January 2026 Sat |  Light freezing rain |
-2.3 ° C | 4.2 ° C | 0.9 ° C | % 46 | 33.1 km/h | 69% |
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