Westmont Weather Forecast

    • 55
    • 78

    Sunny

    • 57
    • 82

    Mostly Sunny

    • 55
    • 82

    Mostly Sunny

    • 53
    • 73

    Partly Sunny

    • 53
    • 74

    Partly Sunny

    • 56
    • 74

    Chance Rain

    • 53
    • 70

    Chance Rain

Today 19 Oct Santa Clara Valley Including San Jose

Sunny. Highs in the upper 70s. Northwest Winds around 10 Mph.

Tonight 19 Oct Santa Clara Valley Including San Jose

Clear. Lows in the mid 50s. Northwest Winds 5 to 15 Mph.

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Westmont Temperature Statistics

October Temperature

San Jose, San Jose International Airport (6.8 miles)

  • Lowest 14 October, 2025

    48.9 °F

  • Average October

    63.7 °F

  • Highest 6 October, 2025

    86 °F

Climate (2020–Present)

San Jose, San Jose International Airport (6.8 miles)

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  • Average Low 2020–2025

    51.8 °F

  • Average 2020–2025

    61.5 °F

  • Average High 2020–2025

    72.4 °F
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