Sierra Weather Forecast

    • 50
    • 74

    Decreasing Clouds

    • 47
    • 68

    Partly Sunny

    • 47
    • 68

    Partly Sunny

    • 49
    • 66

    Mostly Cloudy

    • 46
    • 64

    Partly Sunny

    • 45
    • 62

    Partly Sunny

Today 25 Oct Santa Clara Valley Including San Jose

Partly cloudy. Highs in the mid 70s. Light Winds. Becoming southwest 5 to 10 Mph in the afternoon.

Tonight 25 Oct Santa Clara Valley Including San Jose

Partly cloudy. Lows in the upper 40s. Southwest Winds up to 5 Mph. Becoming east around 5 Mph after midnight.

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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

    71.9 °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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