Ontario International Airport (ONT) 15 Day Weather Forecast, Ontario United States
Current weather conditions and 15 day weather forecast for Ontario International 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 ONT
| 30 October 2026 Fri 18.6 ° C ( 65.5°F )  Patchy rain nearby |
Feels Like : 17.7 ° C / 63.9°F Humidity : % 73 Pressure : 1012 mb Wind Speed : 10.8 kmph / 6.7 miles from WSW 
Visibility : 10 km Precipitation (rainfall) : 0.1 mm Cloud (%) : 100 |
15-day weather forecast for Ontario International Airport, Ontario, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 30 October 2026 Fri | Patchy rain nearby |
15.1 ° C | 20.3 ° C | 18.2 ° C | % 68 | 16.6 km/h | 49% |
| 31 October 2026 Sat |  Overcast |
14.1 ° C | 21.4 ° C | 18 ° C | % 63 | 13.3 km/h | 65% |
| 01 November 2026 Sun | Patchy rain nearby |
13 ° C | 19.2 ° C | 16.6 ° C | % 73 | 12.2 km/h | 77% |
| 02 November 2026 Mon |  Sunny |
11.3 ° C | 24.5 ° C | 18.2 ° C | % 45 | 10.1 km/h | 2% |
| 03 November 2026 Tue | Sunny |
12.6 ° C | 24.2 ° C | 18.4 ° C | % 42 | 6.5 km/h | 2% |
| 04 November 2026 Wed | Patchy rain nearby |
12.8 ° C | 17.9 ° C | 15.2 ° C | % 76 | 9 km/h | 54% |
| 05 November 2026 Thu | Patchy rain nearby |
12.4 ° C | 19.7 ° C | 16.3 ° C | % 71 | 10.1 km/h | 18% |
| 06 November 2026 Fri | Sunny |
10.8 ° C | 18.6 ° C | 14.6 ° C | % 57 | 3.6 km/h | 58% |
| 07 November 2026 Sat | Sunny |
9.9 ° C | 20.8 ° C | 15.6 ° C | % 47 | 6.5 km/h | 2% |
| 08 November 2026 Sun |  Partly Cloudy |
10.9 ° C | 21.1 ° C | 16.4 ° C | % 49 | 5 km/h | 3% |
| 09 November 2026 Mon | Overcast |
11.8 ° C | 22.1 ° C | 17.3 ° C | % 49 | 4.3 km/h | 8% |
| 10 November 2026 Tue | Overcast |
12.9 ° C | 22.3 ° C | 18 ° C | % 49 | 8.6 km/h | 9% |
| 11 November 2026 Wed | Patchy rain nearby |
12.8 ° C | 20.7 ° C | 17.3 ° C | % 57 | 5 km/h | 18% |
| 12 November 2026 Thu | Partly Cloudy |
12 ° C | 18.4 ° C | 15.7 ° C | % 63 | 11.9 km/h | 44% |
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