Rainbow Weather Forecast

    • 56
    • 78

    Becoming Sunny

    • 56
    • 82

    Mostly Sunny

    • 53
    • 81

    Mostly Sunny

    • 54
    • 78

    Mostly Sunny

    • 55
    • 79

    Mostly Sunny

    • 54
    • 79

    Mostly Sunny

Today 17 Oct Santa Clara Valley Including San Jose

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

Tonight 17 Oct Santa Clara Valley Including San Jose

Mostly clear. Lows in the mid 50s. Northwest Winds 5 to 10 Mph. Becoming east after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rainbow Temperature Statistics

October Temperature

San Jose, San Jose International Airport (6.2 miles)

  • Lowest 14 October, 2025

    48.9 °F

  • Average October

    64.4 °F

  • Highest 6 October, 2025

    86 °F

Climate (2020–Present)

San Jose, San Jose International Airport (6.2 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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