Galster Wilderness Park Weather Forecast

    • 65
    • 85

    Increasing Clouds

    • 66
    • 88

    Gradual Clearing

    • 64
    • 90

    Mostly Sunny

    • 65
    • 90

    Partly Sunny

    • 66
    • 93

    Partly Sunny

    • 66
    • 93

    Mostly Sunny

    • 66
    • 93

    Mostly Sunny

Today 14 Aug Los Angeles County San Gabriel Valley

Cloudy in the morning then sunny. Highs in the 80s.

Tonight 14 Aug Los Angeles County San Gabriel Valley

Mostly clear in the evening then mostly cloudy. Lows in the lower to mid 60s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Galster Wilderness Park Temperature Statistics

August Temperature

Brackett Field Airport (7.5 miles)

  • Lowest 4 August, 2026

    64.4 °F

  • Average August

    82.4 °F

  • Highest 8 August, 2026

    98.6 °F

Climate (2021–2026)

Brackett Field Airport (7.5 miles)

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  • Average Low 2021–2026

    56 °F

  • Average 2021–2026

    68 °F

  • Average High 2021–2026

    75.9 °F
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