Marshall Canyon Regional Park Weather Forecast

    • 65
    • 86

    Sunny

    • 69
    • 91

    Sunny

    • 72
    • 95

    Mostly Sunny

    • 73
    • 96

    Sunny

    • 72
    • 95

    Sunny

    • 71
    • 93

    Sunny

Today 30 Sep Eastern San Gabriel Mountains

Sunny. Highs from the upper 70s to mid 80s at low Elevations to the mid 60s to lower 70s at high Elevations. Northeast Winds around 15 Mph shifting to the west in the afternoon.

Tonight 30 Sep Eastern San Gabriel Mountains

Clear. Lows in the 60s to around 70 except around 50 Colder Valleys and Slopes. West Winds around 15 Mph in the evening.

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Marshall Canyon Regional Park Temperature Statistics

September Temperature

Brackett Field Airport (4.3 miles)

  • Lowest 2 September, 2026

    60.8 °F

  • Average September

    78 °F

  • Highest 9 September, 2026

    105.8 °F

Climate (2021–2026)

Brackett Field Airport (4.3 miles)

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  • Average Low 2021–2026

    56.1 °F

  • Average 2021–2026

    68.1 °F

  • Average High 2021–2026

    76 °F
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