California Motor Speedway Weather Forecast
- 56
- 80
Mostly Sunny
- 56
- 80
Mostly Sunny
- 57
- 80
Mostly Sunny
- 59
- 83
Partly Sunny
- 60
- 86
Partly Sunny
- 58
- 84
Partly Sunny
- 56
- 81
Mostly Cloudy
Today 23 Feb San Bernardino and Riverside County Valleys-The Inland Empire
Partly cloudy this morning. Becoming mostly sunny. Highs 77 to 81. Areas of Winds east 10 to 15 Mph with Gusts to 25 Mph becoming west this afternoon.
Tonight 23 Feb San Bernardino and Riverside County Valleys-The Inland Empire
Partly cloudy this evening. Becoming mostly clear. Lows around 50 in wind Sheltered Areas to 51 to 58 in warmer Locations. Areas of Winds northeast to 10 Mph this evening becoming light.
California Motor Speedway Temperature Statistics
February Temperature
Ontario International Airport (5 miles)
Lowest 21 February, 2026
37 °FAverage February
59.1 °FHighest 4 February, 2026
87.7 °F
Climate (2021–Present)
Ontario International Airport (5 miles)
Average Low 2021–2026
55.6 °FAverage 2021–2026
66.7 °FAverage High 2021–2026
79.1 °F