Sierra Weather Forecast

    • 52
    • 73

    Becoming Sunny

    • 54
    • 72

    Partly Sunny

    • 51
    • 69

    Chance Rain

    • 54
    • 69

    Mostly Cloudy

    • 54
    • 72

    Partly Sunny

    • 55
    • 76

    Mostly Sunny

Today 23 Oct Santa Clara Valley Including San Jose

Mostly cloudy in the morning then becoming sunny. Highs in the mid 70s. Northwest Winds 5 to 10 Mph.

Tonight 23 Oct Santa Clara Valley Including San Jose

Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the lower 50s. Northwest Winds 5 to 10 Mph in the evening. Becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sierra Temperature Statistics

October Temperature

San Jose / Reid / Hillv (1.9 miles)

  • Lowest 16 October, 2025

    48.2 °F

  • Average October

    66.7 °F

  • Highest 7 October, 2025

    87.8 °F

Climate (2020–Present)

San Jose / Reid / Hillv (1.9 miles)

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  • Average Low 2020–2025

    51.5 °F

  • Average 2020–2025

    63.4 °F

  • Average High 2020–2025

    72.1 °F
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