Sylvandale West Weather Forecast

    • 45
    • 62

    Becoming Sunny

    • 44
    • 64

    Mostly Sunny

    • 45
    • 69

    Mostly Sunny

    • 46
    • 68

    Partly Sunny

    • 50
    • 67

    Chance Rain Showers

    • 51
    • 66

    Chance Rain Showers

Today 11 Dec Santa Clara Valley Including San Jose

Sunny. Highs in the lower 60s. Northwest Winds 5 to 10 Mph.

Tonight 11 Dec Santa Clara Valley Including San Jose

Mostly clear. Lows in the mid 40s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sylvandale West Temperature Statistics

December Temperature

San Jose / Reid / Hillv (2.5 miles)

  • Lowest 4 December, 2025

    37.4 °F

  • Average December

    50.1 °F

  • Highest 3 December, 2025

    64.4 °F

Climate (2020–Present)

San Jose / Reid / Hillv (2.5 miles)

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  • Average Low 2020–2025

    51.6 °F

  • Average 2020–2025

    63.4 °F

  • Average High 2020–2025

    72.1 °F
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