Rio De Los Angeles State Park Weather Forecast

    • 65
    • 82

    Gradual Clearing

    • 65
    • 84

    Gradual Clearing

    • 64
    • 86

    Partly Sunny

    • 65
    • 86

    Partly Sunny

    • 66
    • 89

    Partly Sunny

    • 66
    • 89

    Mostly Sunny

    • 66
    • 89

    Mostly Sunny

Today 14 Aug Los Angeles County San Gabriel Valley

Cloudy in the morning then sunny. Highs in the 80s.

Tonight 14 Aug Los Angeles County San Gabriel Valley

Mostly clear in the evening then mostly cloudy. Lows in the lower to mid 60s.

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Rio De Los Angeles State Park Temperature Statistics

August Temperature

Los Angeles / USC Campus Downtown (5.6 miles)

  • Lowest 4 August, 2026

    65.6 °F

  • Average August

    79.1 °F

  • Highest 1 August, 2026

    94.6 °F

Climate (2021–2026)

Los Angeles / USC Campus Downtown (5.6 miles)

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  • Average Low 2021–2026

    56.8 °F

  • Average 2021–2026

    65.3 °F

  • Average High 2021–2026

    74.6 °F
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