San Antonio Park Weather Forecast

    • 44
    • 64

    Becoming Sunny

    • 46
    • 65

    Mostly Sunny

    • 48
    • 69

    Mostly Sunny

    • 47
    • 70

    Mostly Sunny

    • 47
    • 69

    Mostly Sunny

    • 47
    • 67

    Partly Sunny

Today 8 Dec Santa Clara Valley Including San Jose

Sunny. Areas of fog in the morning. Highs in the upper 50s. Light Winds. Becoming northwest around 5 Mph in the afternoon.

Tonight 8 Dec Santa Clara Valley Including San Jose

Partly cloudy. Patchy fog. Lows in the lower 40s. Light Winds.

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San Antonio Park Temperature Statistics

December Temperature

San Jose, San Jose International Airport (6.8 miles)

  • Lowest 2 December, 2025

    39.9 °F

  • Average December

    49.9 °F

  • Highest 3 December, 2025

    64.9 °F

Climate (2020–Present)

San Jose, San Jose International Airport (6.8 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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