Monterey Park Weather Forecast

    • 68
    • 84

    Rain Showers Likely

    • 69
    • 89

    Mostly Sunny

    • 71
    • 92

    Slight Chance Rain Showers

    • 71
    • 95

    Mostly Sunny

    • 69
    • 93

    Mostly Sunny

    • 66
    • 90

    Mostly Sunny

Today 6 Sep Los Angeles County San Gabriel Valley

Showers likely in the Morning, then Showers likely with a slight chance of Thunderstorms in the afternoon. Highs in the upper 70s to mid 80s. Chance of precipitation 70 percent.

Tonight 6 Sep Los Angeles County San Gabriel Valley

Mostly cloudy with a 20 percent chance of Showers in the Evening, becoming partly cloudy after midnight. Lows in the mid 60s to around 70.

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Monterey Park Temperature Statistics

September Temperature

El Monte (5 miles)

  • Lowest 2 September, 2026

    64.4 °F

  • Average September

    78.4 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

El Monte (5 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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