Perris Valley Airport Weather Forecast

    • 67
    • 94

    Rain Showers Likely

    • 66
    • 86

    Rain Showers Likely

    • 64
    • 86

    Chance Rain Showers

    • 65
    • 90

    Slight Chance Thunderstorms

    • 67
    • 92

    Slight Chance Thunderstorms

    • 68
    • 93

    Mostly Sunny

Today 17 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy. A slight chance of Showers and Thunderstorms in the afternoon. Highs 89 to 95. Light Winds becoming southwest 10 to 15 Mph with Gusts to 25 Mph in the afternoon. Chance of measurable precipitation 20 percent.

Tonight 17 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy in the evening. Becoming mostly cloudy. A slight chance of Thunderstorms. A slight chance of Showers in the Evening, then a chance of Showers overnight. Lows 64 to 68. Areas of Winds west to 10 Mph in the evening becoming light. Chance of measurable precipitation 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Perris Valley Airport Temperature Statistics

September Temperature

Riverside / March Air Force Base (9.3 miles)

  • Lowest 9 September, 2025

    57 °F

  • Average September

    75.9 °F

  • Highest 3 September, 2025

    98.2 °F

Climate (2020–Present)

Riverside / March Air Force Base (9.3 miles)

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  • Average Low 2020–2025

    52.3 °F

  • Average 2020–2025

    65.4 °F

  • Average High 2020–2025

    78.5 °F
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