Gilroy Weather Forecast

    • 54
    • 85

    Sunny

    • 49
    • 81

    Mostly Sunny

    • 51
    • 82

    Mostly Sunny

    • 53
    • 81

    Mostly Sunny

    • 53
    • 85

    Partly Sunny

    • 53
    • 80

    Partly Sunny

    • 54
    • 78

    Mostly Sunny

Today 29 Oct Santa Clara Valley Including San Jose

Sunny. Highs in the lower 80s. Northwest Winds 5 to 10 Mph.

Tonight 29 Oct Santa Clara Valley Including San Jose

Mostly clear. Lows in the mid 50s. Northwest Winds 5 to 10 Mph.

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Gilroy Temperature Statistics

October Temperature

South County Airport of Santa Clara County (5 miles)

  • Lowest 12 October, 2025

    46.4 °F

  • Average October

    61.3 °F

  • Highest 7 October, 2025

    89.6 °F

Climate (2020–Present)

South County Airport of Santa Clara County (5 miles)

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  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    58.3 °F

  • Average High 2020–2025

    72.8 °F
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