St. Leo's Weather Forecast

    • 49
    • 80

    Increasing Clouds

    • 47
    • 70

    Mostly Cloudy

    • 50
    • 71

    Chance Rain Showers

    • 50
    • 70

    Chance Rain

    • 49
    • 70

    Chance Rain

    • 47
    • 71

    Mostly Sunny

Today 18 Oct Santa Clara Valley Including San Jose

Sunny. Highs in the upper 70s to mid 80s. Light Winds. Becoming northwest 5 to 15 Mph in the afternoon.

Tonight 18 Oct Santa Clara Valley Including San Jose

Mostly clear in the evening then becoming partly cloudy. Lows around 50. Northwest Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St. Leo's Temperature Statistics

October Temperature

San Jose, San Jose International Airport (1.9 miles)

  • Lowest 11 October, 2026

    47.6 °F

  • Average October

    70.6 °F

  • Highest 4 October, 2026

    94.6 °F

Climate (2021–2026)

San Jose, San Jose International Airport (1.9 miles)

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  • Average Low 2021–2026

    52.3 °F

  • Average 2021–2026

    62.2 °F

  • Average High 2021–2026

    72.8 °F
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