Marshall Canyon Regional Park Weather Forecast

    • 56
    • 74

    Becoming Sunny

    • 58
    • 78

    Mostly Sunny

    • 59
    • 79

    Mostly Sunny

    • 56
    • 77

    Sunny

    • 58
    • 80

    Mostly Sunny

    • 54
    • 76

    Partly Sunny

    • 54
    • 69

    Partly Sunny

Today 14 Dec Eastern San Gabriel Mountains

Mostly cloudy in the morning then partly cloudy. Highs from the upper 60s and 70s at low Elevations to the mid 50s to around 60 at high Elevations.

Tonight 14 Dec Eastern San Gabriel Mountains

Clear. Lows in the upper 40s and 50s.

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Marshall Canyon Regional Park Temperature Statistics

December Temperature

Brackett Field Airport (4.3 miles)

  • Lowest 5 December, 2025

    42.8 °F

  • Average December

    64.3 °F

  • Highest 10 December, 2025

    86 °F

Climate (2020–Present)

Brackett Field Airport (4.3 miles)

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  • Average Low 2020–2025

    55.5 °F

  • Average 2020–2025

    67.6 °F

  • Average High 2020–2025

    75.6 °F
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