Hermon Park Weather Forecast

    • 63
    • 85

    Increasing Clouds

    • 63
    • 83

    Mostly Cloudy

    • 61
    • 79

    Partly Sunny

    • 63
    • 81

    Mostly Sunny

    • 65
    • 88

    Mostly Sunny

    • 66
    • 88

    Mostly Sunny

Today 19 Sep Los Angeles County San Gabriel Valley

Partly cloudy in the morning then sunny. Highs in the 80s to around 90.

Tonight 19 Sep Los Angeles County San Gabriel Valley

Mostly clear in the evening then low Clouds and fog. Lows in the lower to mid 60s.

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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

    78.6 °F

  • Highest 9 September, 2026

    105.7 °F

Climate (2021–2026)

Los Angeles / USC Campus Downtown (8.1 miles)

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  • Average Low 2021–2026

    57 °F

  • Average 2021–2026

    65.5 °F

  • Average High 2021–2026

    74.9 °F
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