Perris Reservoir Weather Forecast

    • 54
    • 85

    Increasing Clouds

    • 55
    • 85

    Partly Sunny

    • 63
    • 89

    Patchy Fog

    • 65
    • 98

    Hot

    • 64
    • 92

    Partly Sunny

    • 57
    • 86

    Partly Sunny

    • 53
    • 79

    Mostly Sunny

Today 27 May San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy early this morning. Becoming mostly sunny. Patchy fog early this morning. Warmer. Highs 82 to 88. Light Winds becoming west 10 to 15 Mph with Gusts to 30 Mph this afternoon.

Tonight 27 May San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear this evening. Becoming partly cloudy. Patchy fog overnight. Lows 51 to 57. 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 15 May, 2025

    46.7 °F

  • Average May

    65.6 °F

  • Highest 10 May, 2025

    102.7 °F

Climate (2020–Present)

Riverside / March Air Force Base (5 miles)

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  • Average Low 2020–2025

    52.3 °F

  • Average 2020–2025

    65.4 °F

  • Average High 2020–2025

    78.6 °F
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