Downtown San Jose Weather Forecast

    • 49
    • 77

    Mostly Sunny

    • 51
    • 81

    Increasing Clouds

    • 52
    • 82

    Mostly Sunny

    • 55
    • 91

    Partly Sunny

    • 53
    • 85

    Partly Sunny

    • 51
    • 79

    Mostly Sunny

    • 51
    • 78

    Mostly Sunny

Today 8 May Santa Clara Valley Including San Jose

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

Tonight 8 May Santa Clara Valley Including San Jose

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 40s. Northwest Winds 5 to 15 Mph in the evening. Becoming light.

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Downtown San Jose Temperature Statistics

May Temperature

San Jose, San Jose International Airport (2.5 miles)

  • Lowest 4 May, 2026

    48.7 °F

  • Average May

    60.8 °F

  • Highest 6 May, 2026

    72 °F

Climate (2021–Present)

San Jose, San Jose International Airport (2.5 miles)

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  • Average Low 2021–2026

    52.2 °F

  • Average 2021–2026

    61.9 °F

  • Average High 2021–2026

    72.7 °F
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