Gilroy Weather Forecast

    • 60
    • 95

    Mostly Sunny

    • 61
    • 100

    Hot

    • 60
    • 104

    Hot

    • 58
    • 101

    Hot

    • 55
    • 92

    Mostly Sunny

    • 55
    • 89

    Mostly Sunny

Today 29 Sep Santa Clara Valley Including San Jose

Sunny. Highs near 90. Light Winds. Becoming northwest 5 to 10 Mph in the afternoon.

Tonight 29 Sep Santa Clara Valley Including San Jose

Mostly clear. Lows in the lower 60s. Northwest Winds 5 to 10 Mph in the evening. Becoming light.

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Gilroy Temperature Statistics

September Temperature

South County Airport of Santa Clara County (5 miles)

  • Lowest 12 September, 2020

    50 °F
  • Average September

    68.5 °F
  • Highest 7 September, 2020

    109.4 °F

Climate (2011–Present)

South County Airport of Santa Clara County (5 miles)

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  • Average Low 2011–Present

    48.4 °F
  • Average 2011–Present

    59.6 °F
  • Average High 2011–Present

    74 °F
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