Gilroy Weather Forecast

    • 56
    • 76

    Increasing Clouds

    • 55
    • 74

    Mostly Cloudy

    • 52
    • 77

    Partly Sunny

    • 52
    • 80

    Partly Sunny

    • 53
    • 81

    Mostly Sunny

    • 54
    • 85

    Mostly Sunny

Today 18 Jun Santa Clara Valley Including San Jose

Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the upper 70s. South Winds 5 to 15 Mph.

Tonight 18 Jun Santa Clara Valley Including San Jose

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s. South Winds 5 to 15 Mph.

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Gilroy Temperature Statistics

June Temperature

South County Airport of Santa Clara County (5 miles)

  • Lowest 7 June, 2026

    48.2 °F

  • Average June

    66.6 °F

  • Highest 11 June, 2026

    95 °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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