San Jose Weather Forecast

    • 61
    • 88

    Increasing Clouds

    • 62
    • 93

    Partly Sunny

    • 64
    • 90

    Mostly Sunny

    • 63
    • 88

    Mostly Sunny

    • 62
    • 86

    Mostly Sunny

    • 60
    • 85

    Mostly Sunny

Today 20 Aug Santa Clara Valley Including San Jose

Sunny. Highs in the 80s to mid 90s. Northwest Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 20 Aug Santa Clara Valley Including San Jose

Clear in the evening then becoming partly cloudy. Lows in the lower 60s. Northwest Winds 10 to 20 Mph decreasing to around 5 Mph after midnight.

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San Jose Temperature Statistics

August Temperature

San Jose, San Jose International Airport (1.9 miles)

  • Lowest 3 August, 2025

    56.6 °F

  • Average August

    70.2 °F

  • Highest 8 August, 2025

    90.6 °F

Climate (2020–Present)

San Jose, San Jose International Airport (1.9 miles)

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  • Average Low 2020–2025

    51.8 °F

  • Average 2020–2025

    61.5 °F

  • Average High 2020–2025

    72.5 °F
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