San Jose Weather Forecast

    • 46
    • 66

    Increasing Clouds

    • 45
    • 65

    Mostly Cloudy

    • 44
    • 65

    Partly Sunny

    • 42
    • 64

    Mostly Sunny

    • 44
    • 65

    Partly Sunny

    • 42
    • 65

    Mostly Cloudy

Today 20 Jan Santa Clara Valley Including San Jose

Mostly cloudy. Highs in the mid 60s. Light Winds.

Tonight 20 Jan Santa Clara Valley Including San Jose

Mostly cloudy. Lows in the upper 40s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Jose Temperature Statistics

January Temperature

San Jose, San Jose International Airport (1.9 miles)

  • Lowest 10 January, 2026

    35.1 °F

  • Average January

    52.5 °F

  • Highest 16 January, 2026

    71.1 °F

Climate (2021–Present)

San Jose, San Jose International Airport (1.9 miles)

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  • Average Low 2021–2026

    52 °F

  • Average 2021–2026

    61.6 °F

  • Average High 2021–2026

    72.4 °F
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