Graystone Weather Forecast

    • 53
    • 79

    Mostly Sunny

    • 55
    • 83

    Mostly Sunny

    • 52
    • 80

    Mostly Sunny

    • 53
    • 79

    Mostly Sunny

    • 54
    • 80

    Mostly Sunny

    • 54
    • 79

    Mostly Sunny

Today 17 Oct Santa Clara Valley Including San Jose

Sunny. Highs in the upper 70s. Northwest Winds 5 to 10 Mph.

Tonight 17 Oct Santa Clara Valley Including San Jose

Mostly clear. Lows in the mid 50s. Northwest Winds 5 to 10 Mph. Becoming east after midnight.

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Graystone Temperature Statistics

October Temperature

San Jose / Reid / Hillv (8.7 miles)

  • Lowest 12 October, 2025

    51.8 °F

  • Average October

    66.9 °F

  • Highest 7 October, 2025

    87.8 °F

Climate (2020–Present)

San Jose / Reid / Hillv (8.7 miles)

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  • Average Low 2020–2025

    51.5 °F

  • Average 2020–2025

    63.5 °F

  • Average High 2020–2025

    72.2 °F
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