Santa Clara Weather Forecast

    • 53
    • 72

    Increasing Clouds

    • 51
    • 63

    Mostly Cloudy

    • 53
    • 67

    Chance Rain Showers

    • 54
    • 68

    Chance Rain

    • 53
    • 67

    Partly Sunny

    • 51
    • 67

    Mostly Sunny

Today 18 Oct San Francisco Bay Shoreline

Sunny. Highs in the upper 60s to mid 70s. West Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 18 Oct San Francisco Bay Shoreline

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 50s. West Winds 10 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Santa Clara Temperature Statistics

October Temperature

Hayward, Hayward Air Terminal (0.6 miles)

  • Lowest 12 October, 2026

    50.6 °F

  • Average October

    68.1 °F

  • Highest 3 October, 2026

    93.7 °F

Climate (2021–2026)

Hayward, Hayward Air Terminal (0.6 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    59.9 °F

  • Average High 2021–2026

    69.3 °F
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