Gilroy Weather Forecast

    • 43
    • 67

    Mostly Sunny

    • 46
    • 75

    Mostly Sunny

    • 49
    • 80

    Mostly Sunny

    • 50
    • 79

    Mostly Sunny

    • 50
    • 79

    Partly Sunny

    • 49
    • 76

    Partly Sunny

Today 27 Apr Santa Clara Valley Including San Jose

Partly cloudy. A slight chance of drizzle. Highs in the mid 60s. Southwest Winds up to 5 Mph. Becoming northwest 5 to 15 Mph in the afternoon.

Tonight 27 Apr Santa Clara Valley Including San Jose

Mostly clear. Areas of fog after midnight. Lows in the 40s. Northwest Winds 5 to 15 Mph in the evening. Becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Gilroy Temperature Statistics

April Temperature

South County Airport of Santa Clara County (5 miles)

  • Lowest 3 April, 2026

    39.2 °F

  • Average April

    59.4 °F

  • Highest 5 April, 2026

    86 °F

Climate (2021–Present)

South County Airport of Santa Clara County (5 miles)

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

  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.7 °F

  • Average High 2021–2026

    73.1 °F
Get WillyWeather+ to remove ads