San Gabriel Reservoir Weather Forecast

    • 54
    • 86

    Sunny

    • 52
    • 84

    Sunny

    • 51
    • 83

    Sunny

    • 52
    • 83

    Sunny

    • 55
    • 84

    Mostly Sunny

    • 59
    • 84

    Chance Rain Showers

    • 61
    • 85

    Chance Rain Showers

Today 31 Aug Eastern San Gabriel Mountains

Sunny. Highs from the mid 70s to mid 80s at low Elevations to the mid 60s to lower 70s at high Elevations. South Winds 15 to 25 Mph.

Tonight 31 Aug Eastern San Gabriel Mountains

Clear. Lows in the 50s to around 60. South Winds 15 to 25 Mph with Gusts to 40 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Gabriel Reservoir Temperature Statistics

August Temperature

Brackett Field Airport (9.3 miles)

  • Lowest 4 August, 2026

    64.4 °F

  • Average August

    84.3 °F

  • Highest 23 August, 2026

    100.4 °F

Climate (2021–2026)

Brackett Field Airport (9.3 miles)

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  • Average Low 2021–2026

    56 °F

  • Average 2021–2026

    68.1 °F

  • Average High 2021–2026

    76 °F
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