South County Airport of Santa Clara County Weather Forecast

    • 50
    • 74

    Increasing Clouds

    • 47
    • 73

    Becoming Sunny

    • 50
    • 74

    Partly Sunny

    • 45
    • 63

    Partly Sunny

    • 46
    • 67

    Partly Sunny

    • 48
    • 72

    Partly Sunny

    • 50
    • 72

    Partly Sunny

Today 30 Apr Santa Clara Valley Including San Jose

Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the upper 70s. Light Winds becoming southwest 5 to 10 Mph in the afternoon.

Tonight 30 Apr Santa Clara Valley Including San Jose

Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the lower 50s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South County Airport of Santa Clara County Temperature Statistics

April Temperature

South County Airport of Santa Clara County (0 miles)

  • Lowest 3 April, 2025

    35.6 °F

  • Average April

    55.9 °F

  • Highest 9 April, 2025

    80.6 °F

Climate (2020–Present)

South County Airport of Santa Clara County (0 miles)

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  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    58.4 °F

  • Average High 2020–2025

    73 °F
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