Chino Hills State Park Weather Forecast

    • 67
    • 94

    Mostly Sunny

    • 67
    • 88

    Rain Showers Likely

    • 66
    • 84

    Rain Showers Likely

    • 65
    • 85

    Slight Chance Thunderstorms

    • 65
    • 87

    Mostly Sunny

    • 66
    • 88

    Mostly Sunny

Today 16 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny. Highs 94 to 100. Light Winds becoming west 10 to 15 Mph with Gusts to 25 Mph in the afternoon.

Tonight 16 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear in the evening. Becoming partly cloudy. Lows 64 to 69. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph in the evening becoming light.

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Chino Hills State Park Temperature Statistics

September Temperature

Chino, Chino Airport (5.6 miles)

  • Lowest 9 September, 2025

    55 °F

  • Average September

    75.7 °F

  • Highest 2 September, 2025

    104 °F

Climate (2020–Present)

Chino, Chino Airport (5.6 miles)

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  • Average Low 2020–2025

    52.3 °F

  • Average 2020–2025

    66 °F

  • Average High 2020–2025

    81 °F
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