Mount San Antonio Weather Forecast

    • 58
    • 74

    Mostly Sunny

    • 53
    • 71

    Mostly Sunny

    • 53
    • 69

    Sunny

    • 54
    • 69

    Sunny

    • 57
    • 71

    Mostly Sunny

    • 62
    • 74

    Mostly Sunny

    • 65
    • 77

    Mostly Sunny

Today 26 Jul Eastern San Gabriel Mountains

Sunny. Highs from the upper 80s to mid 90s at low Elevations to the upper 70s to mid 80s at high Elevations. Southwest Winds 15 to 25 Mph with Gusts to 35 Mph in the afternoon.

Tonight 26 Jul Eastern San Gabriel Mountains

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

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Mount San Antonio Temperature Statistics

July Temperature

Brackett Field Airport (14.9 miles)

  • Lowest 4 July, 2024

    64.4 °F

  • Average July

    81.5 °F

  • Highest 5 July, 2024

    96.8 °F

Climate (2019–Present)

Brackett Field Airport (14.9 miles)

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  • Average Low 2019–2024

    55.6 °F

  • Average 2019–2024

    67.7 °F

  • Average High 2019–2024

    75.6 °F
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