Heritage Weather Forecast

    • 50
    • 68

    Decreasing Clouds

    • 52
    • 71

    Mostly Sunny

    • 56
    • 77

    Mostly Sunny

    • 56
    • 80

    Mostly Sunny

    • 52
    • 76

    Partly Sunny

    • 51
    • 70

    Mostly Sunny

Today 15 Oct Santa Clara Valley Including San Jose

Mostly cloudy in the morning then becoming partly cloudy. Highs in the upper 60s. Southeast Winds around 5 Mph becoming northwest in the afternoon.

Tonight 15 Oct Santa Clara Valley Including San Jose

Mostly clear in the evening then becoming partly cloudy. Lows around 50. Northwest Winds 5 to 10 Mph.

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Heritage Temperature Statistics

October Temperature

San Jose / Reid / Hillv (1.2 miles)

  • Lowest 12 October, 2025

    51.8 °F

  • Average October

    68.3 °F

  • Highest 7 October, 2025

    87.8 °F

Climate (2020–Present)

San Jose / Reid / Hillv (1.2 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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