Sierra Weather Forecast

    • 56
    • 78

    Sunny

    • 64
    • 89

    Sunny

    • 63
    • 94

    Sunny

    • 61
    • 92

    Sunny

    • 60
    • 91

    Sunny

    • 58
    • 88

    Sunny

    • 58
    • 86

    Mostly Sunny

Today 9 Jun Santa Clara Valley Including San Jose

Sunny. Highs in the mid 70s to lower 80s. Northwest Winds 10 to 20 Mph.

Tonight 9 Jun Santa Clara Valley Including San Jose

Clear. Lows in the mid 50s. Northwest Winds 10 to 20 Mph decreasing to up to 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

    70.6 °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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