Rancho Santa Rosa Historic Area Weather Forecast

    • 54
    • 77

    Partly Sunny

    • 53
    • 75

    Partly Sunny

    • 54
    • 73

    Mostly Sunny

    • 51
    • 73

    Mostly Sunny

    • 50
    • 69

    Partly Sunny

    • 48
    • 66

    Partly Sunny

Today 17 Jan Santa Ana Mountains and Foothills

Partly cloudy in the morning. Becoming mostly sunny. Highs 72 to 79. Areas of Winds northeast 15 to 25 Mph with Gusts to 35 Mph.

Tonight 17 Jan Santa Ana Mountains and Foothills

Mostly clear in the evening. Becoming partly cloudy. Lows 47 to 57. Areas of Winds northeast 10 to 20 Mph with Gusts to 30 Mph.

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Rancho Santa Rosa Historic Area Temperature Statistics

January Temperature

Murrieta/Temecula French Valley (8.1 miles)

  • Lowest 9 January, 2026

    33.8 °F

  • Average January

    53.5 °F

  • Highest 14 January, 2026

    82.4 °F

Climate (2021–Present)

Murrieta/Temecula French Valley (8.1 miles)

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  • Average Low 2021–2026

    50.8 °F

  • Average 2021–2026

    62.8 °F

  • Average High 2021–2026

    77.8 °F
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