Sierramont Weather Forecast

    • 56
    • 73

    Increasing Clouds

    • 55
    • 73

    Decreasing Clouds

    • 55
    • 75

    Partly Sunny

    • 55
    • 75

    Partly Sunny

    • 55
    • 74

    Partly Sunny

    • 55
    • 73

    Partly Sunny

    • 55
    • 77

    Mostly Sunny

Today 21 Jul Santa Clara Valley Including San Jose

Sunny. Highs in the 70s to lower 80s. Northwest Winds 10 to 15 Mph.

Tonight 21 Jul Santa Clara Valley Including San Jose

Mostly clear in the evening then becoming mostly cloudy. Lows in the upper 50s. Northwest Winds 5 to 15 Mph.

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Sierramont Temperature Statistics

July Temperature

San Jose, San Jose International Airport (5 miles)

  • Lowest 5 July, 2025

    52.6 °F

  • Average July

    68.1 °F

  • Highest 10 July, 2025

    87.7 °F

Climate (2020–Present)

San Jose, San Jose International Airport (5 miles)

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  • Average Low 2020–2025

    51.8 °F

  • Average 2020–2025

    61.5 °F

  • Average High 2020–2025

    72.6 °F
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