South County Airport of Santa Clara County Weather Forecast

    • 63
    • 97

    Hot

    • 64
    • 94

    Mostly Cloudy

    • 57
    • 87

    Slight Chance Rain Showers

    • 52
    • 83

    Mostly Sunny

    • 53
    • 80

    Partly Sunny

    • 51
    • 78

    Partly Sunny

    • 54
    • 81

    Partly Sunny

Today 26 Aug Santa Clara Valley Including San Jose

Sunny. Highs in the 80s to mid 90s. Northwest Winds 10 to 15 Mph.

Tonight 26 Aug Santa Clara Valley Including San Jose

Clear. Lows in the lower 60s. Northwest Winds 5 to 15 Mph.

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South County Airport of Santa Clara County Temperature Statistics

August Temperature

South County Airport of Santa Clara County (0 miles)

  • Lowest 1 August, 2026

    55.4 °F

  • Average August

    68.2 °F

  • Highest 2 August, 2026

    96.8 °F

Climate (2021–2026)

South County Airport of Santa Clara County (0 miles)

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  • Average Low 2021–2026

    48 °F

  • Average 2021–2026

    58.9 °F

  • Average High 2021–2026

    73.2 °F
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