Upper Sierra Weather Forecast

    • 61
    • 93

    Mostly Sunny

    • 61
    • 91

    Mostly Sunny

    • 62
    • 89

    Mostly Sunny

    • 64
    • 93

    Mostly Sunny

    • 65
    • 93

    Mostly Sunny

    • 60
    • 89

    Mostly Sunny

Today 4 Aug Santa Clara Valley Including San Jose

Sunny. Haze in the morning. Highs in the 90s. Southeast Winds around 5 Mph. Becoming west in the afternoon.

Tonight 4 Aug Santa Clara Valley Including San Jose

Mostly clear. Lows in the upper 50s. South Winds 5 to 10 Mph.

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Upper Sierra Temperature Statistics

August Temperature

San Jose / Reid / Hillv (5 miles)

  • Lowest 1 August, 2026

    59 °F

  • Average August

    78.7 °F

  • Highest 2 August, 2026

    93.2 °F

Climate (2021–2026)

San Jose / Reid / Hillv (5 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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