Arroyo Pescadero Trail Weather Forecast

    • 83
    • 103

    Hot

    • 80
    • 103

    Hot

    • 74
    • 102

    Hot

    • 71
    • 100

    Hot

    • 70
    • 98

    Hot

    • 67
    • 95

    Mostly Sunny

Today 4 Oct Los Angeles County San Gabriel Valley

Sunny. Highs 99 to 106.

Tonight 4 Oct Los Angeles County San Gabriel Valley

Mostly clear. Lows in the upper 60s to mid 70s except around 80 in the Hills.

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  • Temperature Real-Time

Arroyo Pescadero Trail Temperature Statistics

October Temperature

Fullerton, Fullerton Municipal Airport (6.8 miles)

  • Lowest 2 October, 2026

    64.9 °F

  • Average October

    78.5 °F

  • Highest 2 October, 2026

    104 °F

Climate (2021–2026)

Fullerton, Fullerton Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    57.2 °F

  • Average 2021–2026

    66.7 °F

  • Average High 2021–2026

    76.9 °F
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