La Sierra Weather Forecast

    • 72
    • 101

    Hot

    • 73
    • 102

    Hot

    • 71
    • 100

    Hot

    • 66
    • 96

    Mostly Sunny

    • 63
    • 91

    Mostly Sunny

    • 62
    • 88

    Mostly Sunny

Today 26 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny. Warmer. Highs 99 to 104. Light Winds becoming west 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 26 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear. Lows in the lower 70s. Areas of Winds east 15 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

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La Sierra Temperature Statistics

September Temperature

Riverside Municipal Airport (3.7 miles)

  • Lowest 22 September, 2022

    57.9 °F
  • Average September

    79.5 °F
  • Highest 4 September, 2022

    108 °F

Climate (2010–Present)

Riverside Municipal Airport (3.7 miles)

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  • Average Low 2010–Present

    55.3 °F
  • Average 2010–Present

    66.5 °F
  • Average High 2010–Present

    80.4 °F
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