Gilroy Weather Forecast

    • 56
    • 84

    Increasing Clouds

    • 58
    • 85

    Mostly Cloudy

    • 60
    • 86

    Partly Sunny

    • 60
    • 89

    Partly Sunny

    • 59
    • 89

    Mostly Sunny

    • 58
    • 89

    Mostly Sunny

Today 18 Jul Santa Clara Valley Including San Jose

Partly cloudy in the morning then becoming sunny. Highs in the 80s. Light Winds. Becoming northwest 5 to 15 Mph in the afternoon.

Tonight 18 Jul Santa Clara Valley Including San Jose

Mostly clear in the evening then becoming mostly cloudy. Lows in the upper 50s. West Winds 5 to 10 Mph.

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Gilroy Temperature Statistics

July Temperature

South County Airport of Santa Clara County (5 miles)

  • Lowest 4 July, 2026

    53.6 °F

  • Average July

    68.2 °F

  • Highest 14 July, 2026

    102.2 °F

Climate (2021–2026)

South County Airport of Santa Clara County (5 miles)

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  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    58.8 °F

  • Average High 2021–2026

    73.1 °F
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