Monterey Park Weather Forecast

    • 62
    • 78

    Mostly Cloudy

    • 64
    • 82

    Mostly Sunny

    • 68
    • 91

    Mostly Sunny

    • 68
    • 90

    Mostly Sunny

    • 68
    • 90

    Mostly Sunny

    • 67
    • 90

    Partly Sunny

    • 65
    • 85

    Mostly Sunny

Today 21 Sep Los Angeles County San Gabriel Valley

Sunny. Highs in the lower to mid 80s.

Tonight 21 Sep Los Angeles County San Gabriel Valley

Partly cloudy in the evening then mostly cloudy. Lows in the mid 50s to mid 60s.

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Monterey Park Temperature Statistics

September Temperature

El Monte (5 miles)

  • Lowest 2 September, 2026

    64.4 °F

  • Average September

    81.3 °F

  • Highest 9 September, 2026

    107.6 °F

Climate (2021–2026)

El Monte (5 miles)

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  • Average Low 2021–2026

    60 °F

  • Average 2021–2026

    70.7 °F

  • Average High 2021–2026

    77.3 °F
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