Gilroy Weather Forecast

    • 48
    • 67

    Rain

    • 39
    • 61

    Slight Chance Rain

    • 42
    • 62

    Rain Likely

    • 45
    • 59

    Rain

    • 42
    • 59

    Chance Rain

    • 40
    • 62

    Mostly Sunny

Today 15 Nov Santa Clara Valley Including San Jose

Mostly cloudy. A chance of rain in the afternoon. Highs in the mid 60s. South Winds 5 to 15 Mph.

Tonight 15 Nov Santa Clara Valley Including San Jose

Rain. Lows in the upper 40s. Northwest Winds 5 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Gilroy Temperature Statistics

November Temperature

South County Airport of Santa Clara County (5 miles)

  • Lowest 2 November, 2026

    41 °F

  • Average November

    58 °F

  • Highest 11 November, 2026

    82.4 °F

Climate (2021–2026)

South County Airport of Santa Clara County (5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    48 °F

  • Average 2021–2026

    59 °F

  • Average High 2021–2026

    73.3 °F
Get WillyWeather+ to remove ads