Sierra Weather Forecast

    • 49
    • 75

    Mostly Sunny

    • 51
    • 79

    Increasing Clouds

    • 57
    • 74

    Mostly Cloudy

    • 54
    • 77

    Partly Sunny

    • 60
    • 87

    Sunny

    • 61
    • 91

    Sunny

    • 59
    • 90

    Sunny

Today 6 Jun Santa Clara Valley Including San Jose

Sunny. Highs in the 70s. Northwest Winds 10 to 15 Mph.

Tonight 6 Jun Santa Clara Valley Including San Jose

Mostly clear. Lows in the upper 40s. Northwest Winds 5 to 15 Mph. Becoming southeast around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sierra Temperature Statistics

June Temperature

San Jose / Reid / Hillv (1.9 miles)

  • Lowest 2 June, 2026

    53.6 °F

  • Average June

    71.6 °F

  • Highest 1 June, 2026

    87.8 °F

Climate (2021–Present)

San Jose / Reid / Hillv (1.9 miles)

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  • Average Low 2021–2026

    52 °F

  • Average 2021–2026

    63.7 °F

  • Average High 2021–2026

    72.3 °F
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