Vail Lake Weather Forecast

    • 52
    • 81

    Mostly Sunny

    • 55
    • 84

    Decreasing Clouds

    • 57
    • 89

    Mostly Sunny

    • 59
    • 91

    Mostly Sunny

    • 62
    • 93

    Mostly Sunny

    • 64
    • 94

    Partly Sunny

    • 63
    • 93

    Slight Chance Thunderstorms

Today 12 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy with patchy fog this morning. Becoming sunny. Highs 79 to 84. Light Winds becoming west 10 to 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 12 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear this evening. Becoming partly cloudy. Patchy fog overnight. Lows 53 to 59. Areas of Winds west 10 Mph this evening becoming light.

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  • Temperature Real-Time

Vail Lake Temperature Statistics

September Temperature

Murrieta/Temecula French Valley (10.6 miles)

  • Lowest 9 September, 2025

    55.4 °F

  • Average September

    78 °F

  • Highest 2 September, 2025

    102.2 °F

Climate (2020–Present)

Murrieta/Temecula French Valley (10.6 miles)

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  • Average Low 2020–2025

    50.6 °F

  • Average 2020–2025

    62.8 °F

  • Average High 2020–2025

    77.8 °F
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