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
| 20 August 2025 Wed 22.8 ° C ( 73°F )  Clear |
Feels Like : 24.6 ° C / 76.3°F Humidity : % 59 Pressure : 1015 mb Wind Speed : 14 kmph / 8.7 miles from NW 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for Ontario Airport, Ontario, United States
| Date | |
|---|---|
| 20 August 2025 Wed | |
| Weather forecast | Sunny |
| Low temperature | 15.2 ° C |
| High temperature | 35.1 ° C |
| Average Temperature | 25.4 ° C |
| Humidity | % 37 |
| Wind | 23.8 km/h |
| Chance of rain | 0% |
| 21 August 2025 Thu | |
| Weather forecast | Sunny |
| Low temperature | 12.7 ° C |
| High temperature | 34.9 ° C |
| Average Temperature | 24.2 ° C |
| Humidity | % 36 |
| Wind | 16.9 km/h |
| Chance of rain | 0% |
| 22 August 2025 Fri | |
| Weather forecast | Sunny |
| Low temperature | 12.2 ° C |
| High temperature | 36.2 ° C |
| Average Temperature | 24.3 ° C |
| Humidity | % 31 |
| Wind | 11.2 km/h |
| Chance of rain | 0% |
| 23 August 2025 Sat | |
| Weather forecast | Sunny |
| Low temperature | 18.9 ° C |
| High temperature | 41.1 ° C |
| Average Temperature | 29.8 ° C |
| Humidity | % 13 |
| Wind | 9.7 km/h |
| Chance of rain | 0% |
| 24 August 2025 Sun | |
| Weather forecast |  Partly Cloudy |
| Low temperature | 21.8 ° C |
| High temperature | 31.2 ° C |
| Average Temperature | 26.4 ° C |
| Humidity | % 24 |
| Wind | 21.2 km/h |
| Chance of rain | 0% |
| 25 August 2025 Mon | |
| Weather forecast | Sunny |
| Low temperature | 18.6 ° C |
| High temperature | 37.5 ° C |
| Average Temperature | 27.6 ° C |
| Humidity | % 30 |
| Wind | 9.7 km/h |
| Chance of rain | 0% |
| 26 August 2025 Tue | |
| Weather forecast | Sunny |
| Low temperature | 19.4 ° C |
| High temperature | 37.6 ° C |
| Average Temperature | 28.5 ° C |
| Humidity | % 20 |
| Wind | 17.6 km/h |
| Chance of rain | 0% |
| 27 August 2025 Wed | |
| Weather forecast | Sunny |
| Low temperature | 18.9 ° C |
| High temperature | 37.6 ° C |
| Average Temperature | 28.5 ° C |
| Humidity | % 21 |
| Wind | 22 km/h |
| Chance of rain | 0% |
| 28 August 2025 Thu | |
| Weather forecast | Partly Cloudy |
| Low temperature | 21.2 ° C |
| High temperature | 33.2 ° C |
| Average Temperature | 26.1 ° C |
| Humidity | % 38 |
| Wind | 27.4 km/h |
| Chance of rain | 0% |
| 29 August 2025 Fri | |
| Weather forecast | Sunny |
| Low temperature | 15 ° C |
| High temperature | 28.2 ° C |
| Average Temperature | 20.8 ° C |
| Humidity | % 37 |
| Wind | 17.3 km/h |
| Chance of rain | 0% |
| 30 August 2025 Sat | |
| Weather forecast | Sunny |
| Low temperature | 12.3 ° C |
| High temperature | 29.6 ° C |
| Average Temperature | 20.6 ° C |
| Humidity | % 35 |
| Wind | 11.2 km/h |
| Chance of rain | 0% |
| 31 August 2025 Sun | |
| Weather forecast | Sunny |
| Low temperature | 13.8 ° C |
| High temperature | 37.9 ° C |
| Average Temperature | 25.7 ° C |
| Humidity | % 22 |
| Wind | 24.1 km/h |
| Chance of rain | 0% |
| 01 September 2025 Mon | |
| Weather forecast |  Patchy rain nearby |
| Low temperature | 16.2 ° C |
| High temperature | 25.6 ° C |
| Average Temperature | 20.3 ° C |
| Humidity | % 49 |
| Wind | 15.1 km/h |
| Chance of rain | 83% |
| 02 September 2025 Tue | |
| Weather forecast | Partly Cloudy |
| Low temperature | 16 ° C |
| High temperature | 28.4 ° C |
| Average Temperature | 21.4 ° C |
| Humidity | % 52 |
| Wind | 15.5 km/h |
| Chance of rain | 0% |
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 20 August 2025 Wed | Sunny |
15.2 ° C | 35.1 ° C | 25.4 ° C | % 37 | 23.8 km/h | 0% |
| 21 August 2025 Thu | Sunny |
12.7 ° C | 34.9 ° C | 24.2 ° C | % 36 | 16.9 km/h | 0% |
| 22 August 2025 Fri | Sunny |
12.2 ° C | 36.2 ° C | 24.3 ° C | % 31 | 11.2 km/h | 0% |
| 23 August 2025 Sat | Sunny |
18.9 ° C | 41.1 ° C | 29.8 ° C | % 13 | 9.7 km/h | 0% |
| 24 August 2025 Sun | Partly Cloudy |
21.8 ° C | 31.2 ° C | 26.4 ° C | % 24 | 21.2 km/h | 0% |
| 25 August 2025 Mon | Sunny |
18.6 ° C | 37.5 ° C | 27.6 ° C | % 30 | 9.7 km/h | 0% |
| 26 August 2025 Tue | Sunny |
19.4 ° C | 37.6 ° C | 28.5 ° C | % 20 | 17.6 km/h | 0% |
| 27 August 2025 Wed | Sunny |
18.9 ° C | 37.6 ° C | 28.5 ° C | % 21 | 22 km/h | 0% |
| 28 August 2025 Thu | Partly Cloudy |
21.2 ° C | 33.2 ° C | 26.1 ° C | % 38 | 27.4 km/h | 0% |
| 29 August 2025 Fri | Sunny |
15 ° C | 28.2 ° C | 20.8 ° C | % 37 | 17.3 km/h | 0% |
| 30 August 2025 Sat | Sunny |
12.3 ° C | 29.6 ° C | 20.6 ° C | % 35 | 11.2 km/h | 0% |
| 31 August 2025 Sun | Sunny |
13.8 ° C | 37.9 ° C | 25.7 ° C | % 22 | 24.1 km/h | 0% |
| 01 September 2025 Mon | Patchy rain nearby |
16.2 ° C | 25.6 ° C | 20.3 ° C | % 49 | 15.1 km/h | 83% |
| 02 September 2025 Tue | Partly Cloudy |
16 ° C | 28.4 ° C | 21.4 ° C | % 52 | 15.5 km/h | 0% |
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