Santa Clara Weather Forecast

    • 48
    • 68

    Sunny

    • 53
    • 77

    Mostly Sunny

    • 56
    • 76

    Partly Sunny

    • 64
    • 79

    Mostly Cloudy

    • 61
    • 79

    Mostly Cloudy

    • 60
    • 79

    Partly Sunny

Today 19 Dec Guadalupe

Sunny, cooler with Highs in the upper 60s. Northeast Winds around 5 Mph, becoming south in the afternoon.

Tonight 19 Dec Guadalupe

Clear. Much cooler with Lows in the lower 40s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Santa Clara Temperature Statistics

December Temperature

Randolph Air Force Base (7.5 miles)

  • Lowest 9 December, 2025

    34.9 °F

  • Average December

    54 °F

  • Highest 7 December, 2025

    80.1 °F

Climate (2020–Present)

Randolph Air Force Base (7.5 miles)

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  • Average Low 2020–2025

    60.8 °F

  • Average 2020–2025

    71.1 °F

  • Average High 2020–2025

    82.4 °F
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