Arroyo Pescadero Trail Weather Forecast

    • 57
    • 76

    Decreasing Clouds

    • 55
    • 76

    Partly Sunny

    • 56
    • 75

    Partly Sunny

    • 56
    • 77

    Mostly Sunny

    • 56
    • 77

    Mostly Sunny

    • 57
    • 79

    Mostly Sunny

Today 12 May Los Angeles County San Gabriel Valley

Patchy low Clouds and fog. Highs around 80.

Tonight 12 May Los Angeles County San Gabriel Valley

Patchy low Clouds and fog. Fog locally dense with visibility one quarter mile or less. Lows in the lower 60s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arroyo Pescadero Trail Temperature Statistics

May Temperature

Fullerton, Fullerton Municipal Airport (6.8 miles)

  • Lowest 6 May, 2026

    55.7 °F

  • Average May

    66.5 °F

  • Highest 9 May, 2026

    77.6 °F

Climate (2021–Present)

Fullerton, Fullerton Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    57 °F

  • Average 2021–2026

    66.4 °F

  • Average High 2021–2026

    76.8 °F
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