Old Piedmont Weather Forecast

    • 46
    • 60

    Mostly Sunny

    • 46
    • 63

    Mostly Sunny

    • 47
    • 65

    Mostly Sunny

    • 46
    • 67

    Mostly Sunny

    • 47
    • 65

    Partly Sunny

    • 51
    • 66

    Chance Rain Showers

    • 52
    • 66

    Chance Rain Showers

Today 10 Dec Santa Clara Valley Including San Jose

Sunny. Highs around 60. Northwest Winds 5 to 10 Mph.

Tonight 10 Dec Santa Clara Valley Including San Jose

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

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Old Piedmont Temperature Statistics

December Temperature

San Jose, San Jose International Airport (5.6 miles)

  • Lowest 2 December, 2025

    39.9 °F

  • Average December

    49.3 °F

  • Highest 3 December, 2025

    64.9 °F

Climate (2020–Present)

San Jose, San Jose International Airport (5.6 miles)

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  • Average Low 2020–2025

    51.9 °F

  • Average 2020–2025

    61.5 °F

  • Average High 2020–2025

    72.4 °F
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