Japantown Weather Forecast

    • 50
    • 76

    Sunny

    • 49
    • 80

    Sunny

    • 44
    • 74

    Mostly Sunny

    • 46
    • 72

    Mostly Sunny

    • 49
    • 78

    Mostly Sunny

    • 50
    • 80

    Mostly Sunny

Today 7 Mar Santa Clara Valley Including San Jose

Sunny. Highs in the mid 70s. Northwest Winds 5 to 10 Mph.

Tonight 7 Mar Santa Clara Valley Including San Jose

Clear. Lows in the upper 40s. West Winds around 5 Mph in the evening. Becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Japantown Temperature Statistics

March Temperature

San Jose, San Jose International Airport (1.9 miles)

  • Lowest 5 March, 2026

    46 °F

  • Average March

    58.1 °F

  • Highest 1 March, 2026

    70.6 °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

    72.5 °F
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