Rancho Santa Ana Botanic Garden Weather Forecast

    • 54
    • 82

    Sunny

    • 54
    • 80

    Sunny

    • 53
    • 79

    Sunny

    • 53
    • 77

    Sunny

    • 51
    • 72

    Sunny

    • 52
    • 74

    Sunny

Today 10 Dec Los Angeles County San Gabriel Valley

Sunny. Highs in the lower to mid 80s.

Tonight 10 Dec Los Angeles County San Gabriel Valley

Clear. Lows in the mid 50s.

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Rancho Santa Ana Botanic Garden Temperature Statistics

December Temperature

Brackett Field Airport (3.7 miles)

  • Lowest 5 December, 2025

    42.8 °F

  • Average December

    61.1 °F

  • Highest 8 December, 2025

    78.8 °F

Climate (2020–Present)

Brackett Field Airport (3.7 miles)

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  • Average Low 2020–2025

    55.5 °F

  • Average 2020–2025

    67.6 °F

  • Average High 2020–2025

    75.5 °F
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