Alum Rock Weather Forecast

    • 62
    • 90

    Sunny

    • 61
    • 90

    Mostly Sunny

    • 59
    • 87

    Mostly Sunny

    • 59
    • 86

    Mostly Sunny

    • 56
    • 86

    Mostly Sunny

    • 55
    • 82

    Mostly Sunny

Today 28 Jun Santa Clara Valley Including San Jose

Sunny. Highs in the mid 80s to lower 90s. Southeast Winds around 5 Mph. Becoming west in the afternoon.

Tonight 28 Jun Santa Clara Valley Including San Jose

Clear. Lows around 60. West Winds 5 to 10 Mph. Becoming south after midnight.

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Alum Rock Temperature Statistics

June Temperature

San Jose / Reid / Hillv (2.5 miles)

  • Lowest 12 June, 2025

    51.8 °F

  • Average June

    68.4 °F

  • Highest 18 June, 2025

    87.8 °F

Climate (2020–Present)

San Jose / Reid / Hillv (2.5 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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