Monterey Park Weather Forecast

    • 63
    • 87

    Partly Sunny

    • 67
    • 91

    Mostly Sunny

    • 70
    • 98

    Mostly Sunny

    • 76
    • 100

    Hot

    • 75
    • 99

    Hot

    • 74
    • 98

    Hot

    • 73
    • 98

    Hot

Today 30 Sep Los Angeles County San Gabriel Valley

Sunny. Highs 95 to 100.

Tonight 30 Sep Los Angeles County San Gabriel Valley

Mostly clear except for patchy low Clouds and fog after midnight. Lows in the lower 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

    80.7 °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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