Gilroy Weather Forecast

    • 34
    • 55

    Becoming Sunny

    • 40
    • 61

    Partly Sunny

    • 44
    • 67

    Mostly Cloudy

    • 52
    • 68

    Rain Likely

    • 51
    • 64

    Rain Likely

    • 48
    • 68

    Chance Rain

Today 20 Feb Santa Clara Valley Including San Jose

Mostly cloudy. Areas of fog and patchy frost in the morning. Highs in the mid 50s. Light Winds. Becoming west around 5 Mph in the afternoon.

Tonight 20 Feb Santa Clara Valley Including San Jose

Partly cloudy. Areas of frost and patchy fog. Lows in the mid 30s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gilroy Temperature Statistics

February Temperature

South County Airport of Santa Clara County (5 miles)

  • Lowest 18 February, 2026

    33.8 °F

  • Average February

    52.1 °F

  • Highest 5 February, 2026

    77 °F

Climate (2021–Present)

South County Airport of Santa Clara County (5 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    72.9 °F
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