Hermon Park Weather Forecast

    • 67
    • 89

    Chance Rain Showers

    • 66
    • 81

    Chance Rain Showers

    • 66
    • 89

    Partly Sunny

    • 68
    • 91

    Partly Sunny

    • 68
    • 93

    Partly Sunny

    • 67
    • 92

    Mostly Sunny

Today 5 Sep Los Angeles County San Gabriel Valley

Sunny. Highs in the mid 80s to lower 90s.

Tonight 5 Sep Los Angeles County San Gabriel Valley

Partly cloudy in the evening then mostly cloudy. A 20 percent chance of Showers. Lows in the mid 60s to around 70.

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Hermon Park Temperature Statistics

September Temperature

Los Angeles / USC Campus Downtown (8.1 miles)

  • Lowest 2 September, 2026

    61.6 °F

  • Average September

    73.1 °F

  • Highest 1 September, 2026

    84.7 °F

Climate (2021–2026)

Los Angeles / USC Campus Downtown (8.1 miles)

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  • Average Low 2021–2026

    56.9 °F

  • Average 2021–2026

    65.4 °F

  • Average High 2021–2026

    74.8 °F
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