Lake Perris State Recreation Area Weather Forecast

    • 56
    • 84

    Mostly Sunny

    • 60
    • 88

    Mostly Sunny

    • 63
    • 92

    Sunny

    • 67
    • 97

    Hot

    • 68
    • 98

    Hot

    • 69
    • 98

    Hot

Today 28 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny. Highs 79 to 84. Areas of Winds south to 10 Mph becoming southwest with Gusts to 25 Mph this afternoon.

Tonight 28 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear. Cooler. Lows 52 to 60. Areas of Winds south 10 to 15 Mph with Gusts to 25 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Perris State Recreation Area Temperature Statistics

September Temperature

Riverside / March Air Force Base (5 miles)

  • Lowest 19 September, 2026

    55.4 °F

  • Average September

    75.8 °F

  • Highest 9 September, 2026

    105.3 °F

Climate (2021–2026)

Riverside / March Air Force Base (5 miles)

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  • Average Low 2021–2026

    52.7 °F

  • Average 2021–2026

    65.7 °F

  • Average High 2021–2026

    78.8 °F
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