San Carlos Weather Forecast

    • 53
    • 70

    Mostly Sunny

    • 53
    • 72

    Mostly Sunny

    • 56
    • 78

    Mostly Sunny

    • 56
    • 82

    Mostly Sunny

    • 54
    • 77

    Mostly Sunny

    • 55
    • 76

    Mostly Sunny

Today 15 Oct San Francisco Bay Shoreline

Mostly cloudy in the morning then becoming partly cloudy. Highs in the mid 60s to lower 70s. Southeast Winds around 5 Mph. Becoming northwest in the afternoon.

Tonight 15 Oct San Francisco Bay Shoreline

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s. Northwest Winds 5 to 10 Mph.

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San Carlos Temperature Statistics

October Temperature

San Carlos Airport (0.6 miles)

  • Lowest 13 October, 2025

    51.8 °F

  • Average October

    63.2 °F

  • Highest 6 October, 2025

    86 °F

Climate (2020–Present)

San Carlos Airport (0.6 miles)

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  • Average Low 2020–2025

    51.2 °F

  • Average 2020–2025

    56.5 °F

  • Average High 2020–2025

    68.1 °F
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