Sierra Weather Forecast

    • 50
    • 81

    Mostly Sunny

    • 52
    • 81

    Mostly Sunny

    • 50
    • 82

    Sunny

    • 46
    • 78

    Mostly Sunny

    • 50
    • 78

    Mostly Cloudy

    • 52
    • 82

    Mostly Cloudy

    • 50
    • 80

    Partly Sunny

Today 22 Mar Santa Clara Valley Including San Jose

Sunny. Highs around 80. Northwest Winds 5 to 10 Mph.

Tonight 22 Mar Santa Clara Valley Including San Jose

Mostly clear. Lows in the lower 50s. Northwest Winds 5 to 10 Mph in the evening. Becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sierra Temperature Statistics

March Temperature

San Jose / Reid / Hillv (1.9 miles)

  • Lowest 11 March, 2026

    44.6 °F

  • Average March

    65.8 °F

  • Highest 20 March, 2026

    91.4 °F

Climate (2021–Present)

San Jose / Reid / Hillv (1.9 miles)

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

  • Average Low 2021–2026

    51.8 °F

  • Average 2021–2026

    63.6 °F

  • Average High 2021–2026

    72.3 °F
Get WillyWeather+ to remove ads