Diamond Valley Lake Weather Forecast

    • 56
    • 85

    Mostly Sunny

    • 57
    • 82

    Mostly Sunny

    • 56
    • 84

    Mostly Sunny

    • 56
    • 84

    Mostly Sunny

    • 54
    • 83

    Partly Sunny

    • 53
    • 74

    Slight Chance Rain

    • 51
    • 74

    Patchy Fog

Today 11 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny. Hazy. Highs 85 to 92. Areas of Winds south to 10 Mph becoming southwest with Gusts to 25 Mph this afternoon.

Tonight 11 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Clear this evening. Becoming partly cloudy. Areas of smoke and patchy fog overnight. Cooler. Lows 51 to 58. Areas of Winds southwest 10 to 15 Mph this evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Diamond Valley Lake Temperature Statistics

September Temperature

Murrieta/Temecula French Valley (9.3 miles)

  • Lowest 1 September, 2024

    64.4 °F

  • Average September

    85.9 °F

  • Highest 5 September, 2024

    111.2 °F

Climate (2019–Present)

Murrieta/Temecula French Valley (9.3 miles)

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  • Average Low 2019–2024

    50.8 °F

  • Average 2019–2024

    62.8 °F

  • Average High 2019–2024

    77.4 °F
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