Gilroy Weather Forecast

    • 58
    • 98

    Hot

    • 54
    • 98

    Hot

    • 50
    • 84

    Mostly Sunny

    • 50
    • 71

    Partly Sunny

    • 49
    • 68

    Chance Rain

    • 49
    • 70

    Chance Rain

Today 16 Oct Santa Clara Valley Including San Jose

Sunny. Highs in the upper 80s to mid 90s. Northwest Winds up to 5 Mph in the morning. Becoming light.

Tonight 16 Oct Santa Clara Valley Including San Jose

Clear. Lows around 60. Northwest Winds up to 5 Mph in the evening. Becoming light.

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Gilroy Temperature Statistics

October Temperature

South County Airport of Santa Clara County (5 miles)

  • Lowest 11 October, 2026

    44.6 °F

  • Average October

    68.4 °F

  • Highest 4 October, 2026

    102.2 °F

Climate (2021–2026)

South County Airport of Santa Clara County (5 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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