Marshall Canyon Regional Park Weather Forecast

    • 61
    • 80

    Sunny

    • 64
    • 85

    Mostly Sunny

    • 66
    • 87

    Sunny

    • 67
    • 91

    Sunny

    • 70
    • 91

    Slight Chance Thunderstorms

    • 69
    • 89

    Chance Rain Showers

Today 13 Sep Eastern San Gabriel Mountains

Sunny. Highs from the mid 70s to lower 80s at low Elevations to the mid 60s to lower 70s at high Elevations.

Tonight 13 Sep Eastern San Gabriel Mountains

Clear. Lows in the 50s to lower 60s.

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Marshall Canyon Regional Park Temperature Statistics

September Temperature

Brackett Field Airport (4.3 miles)

  • Lowest 9 September, 2025

    59 °F

  • Average September

    83 °F

  • Highest 2 September, 2025

    102.2 °F

Climate (2020–Present)

Brackett Field Airport (4.3 miles)

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  • Average Low 2020–2025

    55.6 °F

  • Average 2020–2025

    67.8 °F

  • Average High 2020–2025

    75.7 °F
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