San Tomas Park Weather Forecast

    • 64
    • 92

    Sunny

    • 64
    • 92

    Mostly Sunny

    • 63
    • 84

    Chance Rain Showers

    • 62
    • 84

    Chance Rain Showers

    • 61
    • 84

    Partly Sunny

    • 61
    • 82

    Mostly Sunny

Today 16 Sep Santa Clara Valley Including San Jose

Sunny. Highs in the upper 80s to mid 90s. Light Winds. Becoming northwest 10 to 15 Mph in the afternoon.

Tonight 16 Sep Santa Clara Valley Including San Jose

Clear. Lows in the mid 60s. Northwest Winds 5 to 10 Mph in the evening. Becoming light.

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San Tomas Park Temperature Statistics

September Temperature

San Jose, San Jose International Airport (5.6 miles)

  • Lowest 3 September, 2025

    60.1 °F

  • Average September

    68.7 °F

  • Highest 1 September, 2025

    89.1 °F

Climate (2020–Present)

San Jose, San Jose International Airport (5.6 miles)

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  • Average Low 2020–2025

    51.8 °F

  • Average 2020–2025

    61.6 °F

  • Average High 2020–2025

    72.6 °F
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