California Citrus State Historical Park Weather Forecast

    • 59
    • 82

    Becoming Sunny

    • 59
    • 82

    Mostly Sunny

    • 60
    • 85

    Sunny

    • 61
    • 88

    Mostly Sunny

    • 59
    • 86

    Mostly Sunny

    • 59
    • 84

    Mostly Sunny

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

Mostly sunny. Highs 80 to 85. Light Winds becoming southwest 10 to 15 Mph with Gusts to 25 Mph this afternoon.

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

Partly cloudy. Patchy fog overnight. Lows 52 to 60. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph in the evening becoming light.

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  • Temperature Real-Time

California Citrus State Historical Park Temperature Statistics

September Temperature

Riverside Municipal Airport (3.1 miles)

  • Lowest 5 September, 2026

    59.6 °F

  • Average September

    80.7 °F

  • Highest 9 September, 2026

    110.6 °F

Climate (2021–2026)

Riverside Municipal Airport (3.1 miles)

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  • Average Low 2021–2026

    55 °F

  • Average 2021–2026

    67.3 °F

  • Average High 2021–2026

    80.4 °F
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