Ontario International Airport Weather Forecast
- 52
- 73
Partly Sunny
- 52
- 74
Mostly Sunny
- 51
- 74
Partly Sunny
- 52
- 73
Partly Sunny
- 48
- 64
Slight Chance Rain
- 45
- 62
Mostly Cloudy
Today 19 Mar San Bernardino and Riverside County Valleys-The Inland Empire
Partly cloudy. Highs 71 to 76. Light Winds becoming west 10 to 15 Mph with Gusts to 30 Mph this afternoon.
Tonight 19 Mar San Bernardino and Riverside County Valleys-The Inland Empire
Mostly clear. A slight chance of Showers and Thunderstorms in the evening. Lows 45 to 51. Areas of Winds south 10 to 15 Mph with Gusts to 25 Mph in the evening becoming light. Chance of measurable precipitation 20 percent.
Ontario International Airport Temperature Statistics
March Temperature
Ontario International Airport (1.2 miles)
Lowest 8 March, 2024
43.6 °FAverage March
56.3 °FHighest 9 March, 2024
71.7 °F
Climate (2019–Present)
Ontario International Airport (1.2 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
55.9 °FAverage 2019–2024
66.4 °FAverage High 2019–2024
79 °F