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
| 31 January 2026 Sat 17.2 ° C ( 63°F )  Sunny |
Feels Like : 17.2 ° C / 63°F Humidity : % 38 Pressure : 1023 mb Wind Speed : 6.5 kmph / 4 miles from NE 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
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 |
|---|---|---|---|---|---|---|---|
| 31 January 2026 Sat | Sunny |
12.9 ° C | 30.7 ° C | 20.1 ° C | % 25 | 9 km/h | 0% |
| 01 February 2026 Sun |  Overcast |
15.1 ° C | 24.1 ° C | 18.5 ° C | % 32 | 9.4 km/h | 0% |
| 02 February 2026 Mon | Sunny |
13.2 ° C | 22.3 ° C | 17.1 ° C | % 44 | 10.1 km/h | 0% |
| 03 February 2026 Tue | Sunny |
11.9 ° C | 25.8 ° C | 17.8 ° C | % 32 | 7.6 km/h | 0% |
| 04 February 2026 Wed | Sunny |
14.5 ° C | 27.2 ° C | 19.8 ° C | % 17 | 12.6 km/h | 0% |
| 05 February 2026 Thu | Sunny |
15.4 ° C | 25.4 ° C | 19.5 ° C | % 21 | 9.7 km/h | 0% |
| 06 February 2026 Fri | Sunny |
12.9 ° C | 21.7 ° C | 16.9 ° C | % 45 | 12.6 km/h | 0% |
| 07 February 2026 Sat |  Partly Cloudy |
12.1 ° C | 20.5 ° C | 16 ° C | % 53 | 11.9 km/h | 0% |
| 08 February 2026 Sun | Sunny |
11.4 ° C | 19.5 ° C | 15.1 ° C | % 63 | 11.9 km/h | 0% |
| 09 February 2026 Mon | Sunny |
11.4 ° C | 21 ° C | 15.7 ° C | % 61 | 13.7 km/h | 0% |
| 10 February 2026 Tue | Sunny |
11.3 ° C | 19.3 ° C | 14.8 ° C | % 69 | 13.3 km/h | 0% |
| 11 February 2026 Wed | Sunny |
10.8 ° C | 20.3 ° C | 15.2 ° C | % 60 | 11.2 km/h | 0% |
| 12 February 2026 Thu | Partly Cloudy |
12.3 ° C | 17.7 ° C | 14.8 ° C | % 63 | 5 km/h | 0% |
| 13 February 2026 Fri | Sunny |
11 ° C | 23 ° C | 16.2 ° C | % 42 | 9.4 km/h | 0% |
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