California Motor Speedway Weather Forecast

    • 62
    • 91

    Mostly Sunny

    • 63
    • 90

    Mostly Sunny

    • 63
    • 91

    Mostly Sunny

    • 63
    • 90

    Sunny

    • 61
    • 89

    Mostly Sunny

    • 61
    • 88

    Sunny

Today 10 Jun San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny. Warmer. Highs 88 to 96. Areas of Winds north to 10 Mph becoming west with Gusts to 25 Mph in the afternoon.

Tonight 10 Jun San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear. Lows 58 to 62. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph in the evening becoming light.

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California Motor Speedway Temperature Statistics

June Temperature

Ontario International Airport (5 miles)

  • Lowest 1 June, 2026

    58.6 °F

  • Average June

    72.5 °F

  • Highest 3 June, 2026

    88.6 °F

Climate (2021–Present)

Ontario International Airport (5 miles)

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  • Average Low 2021–2026

    55.8 °F

  • Average 2021–2026

    67.1 °F

  • Average High 2021–2026

    79.4 °F
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