San Gabriel Reservoir Weather Forecast

    • 60
    • 97

    Hot

    • 58
    • 89

    Becoming Sunny

    • 58
    • 88

    Mostly Sunny

    • 59
    • 89

    Mostly Sunny

    • 59
    • 89

    Mostly Sunny

    • 60
    • 90

    Mostly Sunny

    • 61
    • 92

    Mostly Sunny

Today 16 Jul Eastern San Gabriel Mountains

Sunny. Highs from the upper 80s and 90s at low Elevations to the upper 70s to mid 80s at high Elevations. South Winds 15 to 25 Mph in the afternoon.

Tonight 16 Jul Eastern San Gabriel Mountains

Mostly clear. Lows in the 60s to around 70 except the mid to upper 50s Colder Valleys and Slopes. South Winds 15 to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Gabriel Reservoir Temperature Statistics

July Temperature

Brackett Field Airport (9.3 miles)

  • Lowest 3 July, 2026

    59 °F

  • Average July

    77.9 °F

  • Highest 14 July, 2026

    93.2 °F

Climate (2021–2026)

Brackett Field Airport (9.3 miles)

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  • Average Low 2021–2026

    55.9 °F

  • Average 2021–2026

    67.9 °F

  • Average High 2021–2026

    75.9 °F
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