Sierra Weather Forecast

    • 62
    • 95

    Sunny

    • 61
    • 92

    Sunny

    • 61
    • 90

    Mostly Sunny

    • 63
    • 90

    Mostly Sunny

    • 66
    • 93

    Mostly Sunny

    • 63
    • 93

    Sunny

Today 3 Aug Santa Clara Valley Including San Jose

Sunny. Highs in the 90s. Light Winds. Becoming west 5 to 10 Mph in the afternoon.

Tonight 3 Aug Santa Clara Valley Including San Jose

Clear. Lows around 60. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sierra Temperature Statistics

August Temperature

San Jose / Reid / Hillv (1.9 miles)

  • Lowest 1 August, 2026

    59 °F

  • Average August

    78 °F

  • Highest 1 August, 2026

    91.4 °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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