Sierra Weather Forecast

    • 60
    • 85

    Increasing Clouds

    • 61
    • 84

    Mostly Cloudy

    • 62
    • 86

    Mostly Sunny

    • 62
    • 85

    Partly Sunny

    • 59
    • 81

    Partly Sunny

    • 57
    • 80

    Mostly Sunny

    • 56
    • 78

    Mostly Sunny

Today 24 Aug Santa Clara Valley Including San Jose

Sunny. Highs in the 80s to lower 90s. Northwest Winds 5 to 10 Mph.

Tonight 24 Aug Santa Clara Valley Including San Jose

Mostly clear in the evening then becoming mostly cloudy. Lows around 60. Northwest 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

    73.3 °F

  • Highest 3 August, 2026

    95 °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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