Ontario International Airport Weather Forecast
- 52
- 62
Chance Rain Showers
- 47
- 61
Rain Showers
- 46
- 58
Chance Rain Showers
- 47
- 61
Partly Sunny
- 47
- 59
Chance Rain Showers
- 47
- 61
Chance Rain Showers
Today 16 Nov San Bernardino and Riverside County Valleys-The Inland Empire
Mostly cloudy with a chance of Showers. Highs 58 to 64. Areas of Winds south 10 Mph. Chance of measurable precipitation 50 percent.
Tonight 16 Nov San Bernardino and Riverside County Valleys-The Inland Empire
Mostly cloudy with a chance of Showers. Lows 44 to 51. Light Winds. Chance of measurable precipitation 50 percent.
Ontario International Airport Temperature Statistics
November Temperature
Ontario International Airport (1.2 miles)
Lowest 2 November, 2025
53.1 °FAverage November
67 °FHighest 10 November, 2025
93 °F
Climate (2020–Present)
Ontario International Airport (1.2 miles)
Average Low 2020–2025
55.5 °FAverage 2020–2025
66.6 °FAverage High 2020–2025
79 °F