Gilroy Weather Forecast

    • 39
    • 68

    Partly Sunny

    • 38
    • 62

    Partly Sunny

    • 40
    • 65

    Mostly Sunny

    • 43
    • 67

    Mostly Sunny

    • 44
    • 68

    Mostly Sunny

    • 45
    • 69

    Mostly Sunny

    • 44
    • 70

    Mostly Sunny

Today 2 Dec Santa Clara Valley Including San Jose

Sunny. Highs in the mid 60s. Northwest Winds around 5 Mph.

Tonight 2 Dec Santa Clara Valley Including San Jose

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 40s. Light Winds. Becoming northwest 5 to 10 Mph after midnight.

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Gilroy Temperature Statistics

December Temperature

South County Airport of Santa Clara County (5 miles)

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  • Average December

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Climate (2020–Present)

South County Airport of Santa Clara County (5 miles)

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  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    58.4 °F

  • Average High 2020–2025

    72.8 °F
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