Rancho Santa Rosa Historic Area Weather Forecast

    • 49
    • 57

    Rain Showers

    • 48
    • 61

    Mostly Sunny

    • 52
    • 70

    Sunny

    • 54
    • 74

    Mostly Sunny

    • 56
    • 77

    Mostly Sunny

    • 51
    • 74

    Partly Sunny

Today 14 Oct Santa Ana Mountains and Foothills

Showers and a slight chance of Thunderstorms this Morning, then mostly cloudy with a chance of Showers this afternoon. Patchy fog. Some Thunderstorms may produce gusty Winds this morning. Locally heavy rainfall possible. Highs 55 to 61. Areas of Winds south 20 to 30 Mph with Gusts to 45 Mph becoming southwest 10 to 20 Mph with Gusts to 30 Mph this afternoon.

Tonight 14 Oct Santa Ana Mountains and Foothills

Partly cloudy. A chance of Showers in the evening. Patchy fog. Lows 43 to 49. Areas of Winds southwest 10 Mph in the evening becoming light. Chance of measurable precipitation 40 percent.

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Rancho Santa Rosa Historic Area Temperature Statistics

October Temperature

Murrieta/Temecula French Valley (8.1 miles)

  • Lowest 8 October, 2025

    50 °F

  • Average October

    66.4 °F

  • Highest 10 October, 2025

    93.2 °F

Climate (2020–Present)

Murrieta/Temecula French Valley (8.1 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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