Clayton South Weather Forecast

    • 55
    • 85

    Becoming Sunny

    • 55
    • 84

    Sunny

    • 58
    • 90

    Sunny

    • 59
    • 89

    Sunny

    • 58
    • 90

    Mostly Sunny

    • 57
    • 88

    Mostly Sunny

Today 25 Jun Santa Clara Valley Including San Jose

Partly cloudy in the morning then becoming sunny. Highs in the upper 70s to mid 80s. North Winds up to 5 Mph increasing to northwest 10 to 15 Mph in the afternoon.

Tonight 25 Jun Santa Clara Valley Including San Jose

Mostly clear. Lows in the mid 50s. Northwest Winds 10 to 15 Mph decreasing to around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clayton South Temperature Statistics

June Temperature

San Jose / Reid / Hillv (1.2 miles)

  • Lowest 12 June, 2025

    51.8 °F

  • Average June

    68.7 °F

  • Highest 18 June, 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

    63.6 °F

  • Average High 2020–2025

    72.3 °F
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