Downtown San Jose Weather Forecast

    • 49
    • 62

    Slight Chance Thunderstorms

    • 54
    • 61

    Rain

    • 52
    • 61

    Rain

    • 46
    • 58

    Rain

    • 42
    • 56

    Rain Likely

    • 42
    • 57

    Mostly Cloudy

    • 41
    • 57

    Chance Rain

Today 1 Jan Santa Clara Valley Including San Jose

Mostly cloudy. A slight chance of Thunderstorms. Highs in the lower 60s. South Winds 5 to 15 Mph.

Tonight 1 Jan Santa Clara Valley Including San Jose

Mostly cloudy. A slight chance of rain in the evening. Lows in the upper 40s. Southeast Winds 5 to 15 Mph.

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Downtown San Jose Temperature Statistics

January Temperature

San Jose, San Jose International Airport (2.5 miles)

  • Lowest

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  • Average January

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  • Highest

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Climate (2021–Present)

San Jose, San Jose International Airport (2.5 miles)

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  • Average Low 2021–2025

    52 °F

  • Average 2021–2025

    61.6 °F

  • Average High 2021–2025

    72.4 °F
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