Sierra Weather Forecast

    • 57
    • 85

    Sunny

    • 61
    • 90

    Sunny

    • 55
    • 90

    Sunny

    • 48
    • 80

    Mostly Sunny

    • 51
    • 68

    Chance Rain

    • 50
    • 67

    Chance Rain

    • 50
    • 68

    Chance Rain

Today 15 Oct Santa Clara Valley Including San Jose

Sunny. Highs in the 80s. Northwest Winds up to 5 Mph.

Tonight 15 Oct Santa Clara Valley Including San Jose

Clear. Lows in the upper 50s. Northwest Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sierra Temperature Statistics

October Temperature

San Jose / Reid / Hillv (1.9 miles)

  • Lowest 11 October, 2026

    48.2 °F

  • Average October

    74.4 °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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