Sierra Weather Forecast

    • 49
    • 70

    Sunny

    • 52
    • 73

    Mostly Sunny

    • 55
    • 78

    Sunny

    • 57
    • 84

    Sunny

    • 58
    • 88

    Sunny

    • 55
    • 87

    Sunny

    • 53
    • 78

    Mostly Sunny

Today 12 Oct Santa Clara Valley Including San Jose

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

Tonight 12 Oct Santa Clara Valley Including San Jose

Mostly clear. Lows in the upper 40s. Northwest Winds 10 to 15 Mph in the evening. Becoming light.

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Sierra Temperature Statistics

October Temperature

San Jose / Reid / Hillv (1.9 miles)

  • Lowest 10 October, 2026

    55.4 °F

  • Average October

    76.6 °F

  • Highest 3 October, 2026

    96.8 °F

Climate (2021–2026)

San Jose / Reid / Hillv (1.9 miles)

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  • Average Low 2021–2026

    52.1 °F

  • Average 2021–2026

    63.8 °F

  • Average High 2021–2026

    72.3 °F
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