Winchester Weather Forecast

    • 55
    • 92

    Sunny

    • 55
    • 86

    Mostly Sunny

    • 57
    • 90

    Mostly Sunny

    • 57
    • 89

    Partly Sunny

    • 54
    • 86

    Mostly Sunny

    • 53
    • 83

    Mostly Sunny

    • 52
    • 81

    Mostly Sunny

Today 30 Oct San Bernardino and Riverside County Valleys-The Inland Empire

Sunny. Highs 88 to 93. Light Winds becoming west to 10 Mph this afternoon.

Tonight 30 Oct San Bernardino and Riverside County Valleys-The Inland Empire

Clear. Lows 52 to 56 in wind Sheltered Areas to 55 to 61 in warmer Locations. Light Winds.

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Winchester Temperature Statistics

October Temperature

Murrieta/Temecula French Valley (9.3 miles)

  • Lowest 16 October, 2025

    44.6 °F

  • Average October

    64.4 °F

  • Highest 28 October, 2025

    96.8 °F

Climate (2020–Present)

Murrieta/Temecula French Valley (9.3 miles)

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  • Average Low 2020–2025

    50.6 °F

  • Average 2020–2025

    62.7 °F

  • Average High 2020–2025

    77.7 °F
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