Perris Reservoir Weather Forecast

    • 61
    • 86

    Mostly Sunny

    • 65
    • 97

    Hot

    • 66
    • 101

    Hot

    • 56
    • 89

    Patchy Fog

    • 51
    • 76

    Partly Sunny

    • 48
    • 67

    Partly Sunny

    • 50
    • 73

    Partly Sunny

Today 8 May San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny. Warmer. Highs 85 to 89. Light Winds becoming west 10 to 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 8 May San Bernardino and Riverside County Valleys-The Inland Empire

Clear. Lows 56 to 63. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph this evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Perris Reservoir Temperature Statistics

May Temperature

Riverside / March Air Force Base (5 miles)

  • Lowest 1 May, 2025

    51.1 °F

  • Average May

    58 °F

  • Highest 2 May, 2025

    74.8 °F

Climate (2020–Present)

Riverside / March Air Force Base (5 miles)

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  • Average Low 2020–2025

    52.2 °F

  • Average 2020–2025

    65.4 °F

  • Average High 2020–2025

    78.6 °F
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