Sierra Weather Forecast

    • 58
    • 83

    Mostly Sunny

    • 58
    • 86

    Mostly Sunny

    • 60
    • 87

    Mostly Sunny

    • 61
    • 91

    Sunny

    • 61
    • 90

    Mostly Sunny

    • 61
    • 89

    Mostly Sunny

Today 28 Jul Santa Clara Valley Including San Jose

Sunny. Highs in the 80s. Northwest Winds 5 to 15 Mph.

Tonight 28 Jul Santa Clara Valley Including San Jose

Mostly clear. Lows in the upper 50s. Northwest Winds 5 to 15 Mph. Becoming west around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sierra Temperature Statistics

July Temperature

San Jose / Reid / Hillv (1.9 miles)

  • Lowest 5 July, 2026

    57.2 °F

  • Average July

    73.5 °F

  • Highest 14 July, 2026

    96.8 °F

Climate (2021–2026)

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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