Rubidoux Weather Forecast

    • 71
    • 83

    Rain Showers

    • 72
    • 93

    Mostly Sunny

    • 74
    • 95

    Mostly Sunny

    • 75
    • 101

    Hot

    • 73
    • 100

    Hot

    • 69
    • 96

    Mostly Sunny

    • 66
    • 91

    Mostly Sunny

Today 6 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Cloudy with Showers likely this Morning, then mostly cloudy with a chance of Showers and a slight chance of Thunderstorms this afternoon. Highs 80 to 85. Areas of Winds north to 10 Mph this morning becoming light. Chance of measurable precipitation 70 percent.

Tonight 6 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy. Lows 66 to 70. Light Winds.

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  • Temperature Real-Time

Rubidoux Temperature Statistics

September Temperature

Riverside Municipal Airport (3.1 miles)

  • Lowest 2 September, 2026

    60.7 °F

  • Average September

    74.6 °F

  • Highest 1 September, 2026

    91.7 °F

Climate (2021–2026)

Riverside Municipal Airport (3.1 miles)

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  • Average Low 2021–2026

    54.9 °F

  • Average 2021–2026

    67.3 °F

  • Average High 2021–2026

    80.4 °F
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