Alta Murrieta Sports Park Weather Forecast

    • 57
    • 81

    Mostly Sunny

    • 60
    • 87

    Mostly Sunny

    • 62
    • 89

    Sunny

    • 66
    • 95

    Sunny

    • 70
    • 97

    Hot

    • 71
    • 98

    Hot

    • 72
    • 98

    Hot

Today 28 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Sunny, hot. Highs 94 to 101.

Tonight 28 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear. Cooler. Lows 52 to 60. Areas of Winds west to 10 Mph becoming southeast overnight.

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Alta Murrieta Sports Park Temperature Statistics

September Temperature

Murrieta/Temecula French Valley (2.5 miles)

  • Lowest 3 September, 2026

    55.6 °F

  • Average September

    74.3 °F

  • Highest 9 September, 2026

    105.3 °F

Climate (2021–2026)

Murrieta/Temecula French Valley (2.5 miles)

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  • Average Low 2021–2026

    51 °F

  • Average 2021–2026

    63.1 °F

  • Average High 2021–2026

    78.1 °F
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