Westmont Weather Forecast

    • 57
    • 82

    Mostly Sunny

    • 55
    • 82

    Mostly Sunny

    • 53
    • 73

    Partly Sunny

    • 53
    • 74

    Partly Sunny

    • 56
    • 74

    Mostly Cloudy

    • 53
    • 70

    Chance Rain

Today 20 Oct Santa Clara Valley Including San Jose

Sunny. Highs in the lower 80s. Northwest Winds 5 to 10 Mph.

Tonight 20 Oct Santa Clara Valley Including San Jose

Mostly clear. Lows in the mid 50s. Northwest Winds around 5 Mph in the evening. Becoming light.

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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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