Perris Weather Forecast

    • 56
    • 87

    Sunny

    • 54
    • 87

    Mostly Sunny

    • 51
    • 72

    Partly Sunny

    • 55
    • 79

    Mostly Sunny

    • 55
    • 85

    Mostly Sunny

    • 53
    • 80

    Partly Sunny

Today 20 Oct San Bernardino and Riverside County Valleys-The Inland Empire

Sunny. Highs 83 to 87. Light Winds becoming west to 10 Mph this afternoon.

Tonight 20 Oct San Bernardino and Riverside County Valleys-The Inland Empire

Clear. Lows 53 to 56 in wind Sheltered Areas to 55 to 60 in warmer Locations. Areas of Winds west to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Perris Temperature Statistics

October Temperature

Riverside / March Air Force Base (8.1 miles)

  • Lowest 16 October, 2025

    45.3 °F

  • Average October

    65.8 °F

  • Highest 10 October, 2025

    91.9 °F

Climate (2020–Present)

Riverside / March Air Force Base (8.1 miles)

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  • Average Low 2020–2025

    52.2 °F

  • Average 2020–2025

    65.2 °F

  • Average High 2020–2025

    78.3 °F
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