Gilroy Weather Forecast

    • 45
    • 80

    Partly Sunny

    • 47
    • 78

    Mostly Sunny

    • 54
    • 86

    Partly Sunny

    • 57
    • 93

    Mostly Sunny

    • 59
    • 96

    Sunny

    • 56
    • 95

    Sunny

Today 13 Mar Santa Clara Valley Including San Jose

Partly cloudy. Highs in the upper 70s. Light Winds. Becoming northwest 5 to 10 Mph in the afternoon.

Tonight 13 Mar Santa Clara Valley Including San Jose

Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s. Northwest Winds 5 to 10 Mph in the evening. Becoming light.

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Gilroy Temperature Statistics

March Temperature

South County Airport of Santa Clara County (5 miles)

  • Lowest 7 March, 2026

    37.4 °F

  • Average March

    56.8 °F

  • Highest 8 March, 2026

    77 °F

Climate (2021–Present)

South County Airport of Santa Clara County (5 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    72.9 °F
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