University Weather Forecast

    • 62
    • 87

    Mostly Sunny

    • 61
    • 84

    Mostly Sunny

    • 61
    • 85

    Sunny

    • 63
    • 88

    Sunny

    • 63
    • 89

    Mostly Sunny

    • 61
    • 87

    Mostly Sunny

Today 15 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy with patchy fog this morning. Becoming sunny. Highs 83 to 88. Areas of Winds south to 10 Mph becoming southwest with Gusts to 25 Mph this afternoon.

Tonight 15 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy. Patchy fog overnight. Lows 53 to 61. Areas of Winds southwest 10 to 15 Mph with Gusts to 25 Mph in the evening becoming light.

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University Temperature Statistics

September Temperature

Riverside Municipal Airport (5.6 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 (5.6 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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