South El Monte Weather Forecast

    • 62
    • 83

    Mostly Sunny

    • 64
    • 87

    Mostly Sunny

    • 64
    • 84

    Mostly Cloudy

    • 63
    • 81

    Mostly Sunny

    • 65
    • 84

    Mostly Sunny

    • 67
    • 88

    Mostly Sunny

Today 18 Sep Los Angeles County San Gabriel Valley

Partly cloudy in the morning then sunny. Highs in the upper 70s to mid 80s.

Tonight 18 Sep Los Angeles County San Gabriel Valley

Mostly clear. Lows around 60.

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South El Monte Temperature Statistics

September Temperature

El Monte (1.9 miles)

  • Lowest 2 September, 2026

    64.4 °F

  • Average September

    82.2 °F

  • Highest 9 September, 2026

    107.6 °F

Climate (2021–2026)

El Monte (1.9 miles)

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  • Average Low 2021–2026

    59.9 °F

  • Average 2021–2026

    70.7 °F

  • Average High 2021–2026

    77.3 °F
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