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
| 23 October 2026 Fri 20.5 ° C ( 68.9°F )  Overcast |
Feels Like : 18.5 ° C / 65.3°F Humidity : % 49 Pressure : 1012 mb Wind Speed : 10.1 kmph / 6.3 miles from SSW 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 94 |
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 |
|---|---|---|---|---|---|---|---|
| 23 October 2026 Fri |  Patchy rain nearby |
13.8 ° C | 20.9 ° C | 17.7 ° C | % 63 | 10.1 km/h | 57% |
| 24 October 2026 Sat |  Sunny |
12.7 ° C | 25.7 ° C | 19.8 ° C | % 49 | 14 km/h | 1% |
| 25 October 2026 Sun | Sunny |
13.4 ° C | 27.1 ° C | 21.2 ° C | % 41 | 13 km/h | 2% |
| 26 October 2026 Mon | Sunny |
14.3 ° C | 27 ° C | 21.5 ° C | % 39 | 15.8 km/h | 4% |
| 27 October 2026 Tue | Sunny |
13.5 ° C | 24.7 ° C | 20 ° C | % 45 | 14.8 km/h | 2% |
| 28 October 2026 Wed |  Partly Cloudy |
13.7 ° C | 25.7 ° C | 19.7 ° C | % 49 | 6.5 km/h | 6% |
| 29 October 2026 Thu | Overcast |
14.8 ° C | 24.5 ° C | 19.8 ° C | % 54 | 10.1 km/h | 10% |
| 30 October 2026 Fri |  Cloudy |
16.1 ° C | 22.9 ° C | 19.2 ° C | % 66 | 9.7 km/h | 13% |
| 31 October 2026 Sat | Patchy rain nearby |
15.7 ° C | 19.4 ° C | 17.8 ° C | % 69 | 6.5 km/h | 72% |
| 01 November 2026 Sun | Patchy rain nearby |
16 ° C | 20.4 ° C | 17.7 ° C | % 75 | 7.2 km/h | 78% |
| 02 November 2026 Mon | Patchy rain nearby |
14.2 ° C | 20.7 ° C | 17.6 ° C | % 61 | 9.7 km/h | 17% |
| 03 November 2026 Tue | Sunny |
14.7 ° C | 22.1 ° C | 18.3 ° C | % 50 | 11.5 km/h | 3% |
| 04 November 2026 Wed | Sunny |
14.2 ° C | 24.1 ° C | 19.2 ° C | % 45 | 6.1 km/h | 2% |
| 05 November 2026 Thu | Partly Cloudy |
14.5 ° C | 24.9 ° C | 19.8 ° C | % 45 | 4.7 km/h | 3% |
Add a link to your web page; copy and paste this html to your web page
