Rancho Santa Ana Botanic Garden Weather Forecast

    • 54
    • 70

    Patchy Fog

    • 57
    • 74

    Becoming Sunny

    • 58
    • 82

    Sunny

    • 55
    • 79

    Mostly Sunny

    • 55
    • 74

    Mostly Sunny

    • 57
    • 77

    Mostly Sunny

    • 59
    • 82

    Mostly Sunny

Today 22 Oct Los Angeles County San Gabriel Valley

Mostly cloudy in the morning then sunny. Highs in the upper 60s to mid 70s.

Tonight 22 Oct Los Angeles County San Gabriel Valley

Mostly clear in the evening then low Clouds and fog. Lows in the mid 50s to around 60.

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  • Temperature Forecast NOAA

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Rancho Santa Ana Botanic Garden Temperature Statistics

October Temperature

Brackett Field Airport (3.7 miles)

  • Lowest 16 October, 2025

    50 °F

  • Average October

    69.6 °F

  • Highest 10 October, 2025

    87.8 °F

Climate (2020–Present)

Brackett Field Airport (3.7 miles)

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  • Average Low 2020–2025

    55.4 °F

  • Average 2020–2025

    67.6 °F

  • Average High 2020–2025

    75.5 °F
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