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
| 31 January 2026 Sat 4.4 ° C ( 39.9°F )  Mist |
Feels Like : 3.9 ° C / 38.9°F Humidity : % 79 Pressure : 1031 mb Wind Speed : 4 kmph / 2.5 miles from ENE 
Visibility : 9.7 km Precipitation (rainfall) : 0 mm Cloud (%) : 25 |
15-day weather forecast for Ontario Airport, Ontario, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 31 January 2026 Sat |  Sunny |
-0.7 ° C | 10.5 ° C | 3.2 ° C | % 85 | 7.2 km/h | 0% |
| 01 February 2026 Sun | Mist |
-2.9 ° C | 6 ° C | 1.5 ° C | % 88 | 9.4 km/h | 0% |
| 02 February 2026 Mon | Mist |
-3.3 ° C | 4.3 ° C | -0.2 ° C | % 95 | 6.8 km/h | 0% |
| 03 February 2026 Tue |  Freezing fog |
-2.3 ° C | 11.6 ° C | 3.6 ° C | % 75 | 5.4 km/h | 0% |
| 04 February 2026 Wed |  Partly Cloudy |
4 ° C | 12.8 ° C | 7.5 ° C | % 60 | 9 km/h | 0% |
| 05 February 2026 Thu | Sunny |
3 ° C | 13.3 ° C | 7.6 ° C | % 63 | 7.9 km/h | 0% |
| 06 February 2026 Fri | Partly Cloudy |
4.4 ° C | 12 ° C | 7.6 ° C | % 61 | 3.2 km/h | 0% |
| 07 February 2026 Sat | Sunny |
3 ° C | 13 ° C | 7.5 ° C | % 56 | 13.7 km/h | 0% |
| 08 February 2026 Sun | Sunny |
1.6 ° C | 10.5 ° C | 5.7 ° C | % 56 | 19.8 km/h | 0% |
| 09 February 2026 Mon | Sunny |
0.4 ° C | 9.3 ° C | 4.7 ° C | % 50 | 7.2 km/h | 0% |
| 10 February 2026 Tue | Sunny |
1.2 ° C | 11.6 ° C | 6.1 ° C | % 44 | 5.4 km/h | 0% |
| 11 February 2026 Wed |  Overcast |
2.8 ° C | 10.5 ° C | 6.6 ° C | % 43 | 5.4 km/h | 0% |
| 12 February 2026 Thu | Partly Cloudy |
2.9 ° C | 11.2 ° C | 6.8 ° C | % 44 | 10.8 km/h | 0% |
| 13 February 2026 Fri | Partly Cloudy |
2.7 ° C | 10.7 ° C | 6.1 ° C | % 55 | 9 km/h | 0% |
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