South Arroyo Weather Forecast

    • 48
    • 72

    Decreasing Clouds

    • 48
    • 68

    Mostly Sunny

    • 52
    • 74

    Sunny

    • 53
    • 78

    Sunny

    • 53
    • 79

    Partly Sunny

    • 49
    • 74

    Mostly Sunny

Today 3 Dec Los Angeles County San Gabriel Valley

Mostly cloudy in the morning then partly cloudy. Highs in the lower 70s.

Tonight 3 Dec Los Angeles County San Gabriel Valley

Mostly clear. Patchy fog after midnight. Lows around 50.

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South Arroyo Temperature Statistics

December Temperature

El Monte (8.1 miles)

  • Lowest 1 December, 2024

    60.8 °F

  • Average December

    69.8 °F

  • Highest 1 December, 2024

    75.2 °F

Climate (2019–Present)

El Monte (8.1 miles)

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  • Average Low 2019–2024

    59.5 °F

  • Average 2019–2024

    70.3 °F

  • Average High 2019–2024

    77.1 °F
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