Mount Rubidoux Park Weather Forecast

    • 74
    • 103

    Hot

    • 69
    • 97

    Hot

    • 66
    • 90

    Mostly Sunny

    • 64
    • 86

    Mostly Sunny

    • 62
    • 85

    Mostly Sunny

    • 61
    • 82

    Mostly Sunny

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

Mostly sunny. Highs 98 to 104. Light Winds becoming west 10 to 15 Mph in the afternoon.

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

Mostly clear. Lows 68 to 73. Areas of Winds west to 10 Mph in the evening becoming light.

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Mount Rubidoux Park Temperature Statistics

September Temperature

Riverside Municipal Airport (3.1 miles)

  • Lowest 5 September, 2026

    59.6 °F

  • Average September

    75.5 °F

  • Highest 5 September, 2026

    94.6 °F

Climate (2021–2026)

Riverside Municipal Airport (3.1 miles)

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  • Average Low 2021–2026

    54.9 °F

  • Average 2021–2026

    67.2 °F

  • Average High 2021–2026

    80.4 °F
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