Powder Canyon Weather Forecast

    • 57
    • 88

    Sunny

    • 56
    • 79

    Sunny

    • 57
    • 81

    Partly Sunny

    • 57
    • 81

    Patchy Fog

    • 57
    • 80

    Sunny

    • 55
    • 77

    Sunny

Today 30 Oct Los Angeles County San Gabriel Valley

Sunny. Highs around 90.

Tonight 30 Oct Los Angeles County San Gabriel Valley

Clear except for patchy low Clouds and fog after midnight. Fog after midnight. Fog locally dense with visibility one quarter mile or less. Lows around 60.

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Powder Canyon Temperature Statistics

October Temperature

Fullerton, Fullerton Municipal Airport (6.8 miles)

  • Lowest 16 October, 2025

    51.1 °F

  • Average October

    66.8 °F

  • Highest 28 October, 2025

    90 °F

Climate (2020–Present)

Fullerton, Fullerton Municipal Airport (6.8 miles)

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  • Average Low 2020–2025

    56.7 °F

  • Average 2020–2025

    66 °F

  • Average High 2020–2025

    76.5 °F
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