Gilroy Weather Forecast

    • 47
    • 78

    Mostly Sunny

    • 50
    • 87

    Decreasing Clouds

    • 47
    • 89

    Mostly Sunny

    • 46
    • 78

    Mostly Sunny

    • 49
    • 78

    Partly Sunny

    • 49
    • 75

    Chance Rain

    • 46
    • 71

    Chance Rain

Today 3 Apr Santa Clara Valley Including San Jose

Sunny. Highs in the mid 70s. Northwest Winds 10 to 15 Mph.

Tonight 3 Apr Santa Clara Valley Including San Jose

Mostly clear. Lows in the upper 40s. Northwest Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gilroy Temperature Statistics

April Temperature

South County Airport of Santa Clara County (5 miles)

  • Lowest 1 April, 2026

    55.4 °F

  • Average April

    58.9 °F

  • Highest 1 April, 2026

    64.4 °F

Climate (2021–Present)

South County Airport of Santa Clara County (5 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.7 °F

  • Average High 2021–2026

    73.1 °F
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