Winchester Creek Park Weather Forecast

    • 64
    • 92

    Mostly Sunny

    • 62
    • 90

    Mostly Sunny

    • 59
    • 87

    Mostly Sunny

    • 57
    • 84

    Mostly Sunny

    • 58
    • 86

    Sunny

    • 61
    • 90

    Sunny

    • 65
    • 94

    Sunny

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

Sunny. Highs 92 to 98. Areas of Winds southwest to 10 Mph. Becoming 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. Lows 61 to 67. Areas of Winds west 10 Mph this evening becoming light.

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Winchester Creek Park Temperature Statistics

September Temperature

Murrieta/Temecula French Valley (2.5 miles)

  • Lowest 3 September, 2026

    55.6 °F

  • Average September

    77.1 °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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