South San Francisco Weather Forecast

    • 59
    • 83

    Mostly Sunny

    • 58
    • 80

    Mostly Sunny

    • 59
    • 79

    Mostly Sunny

    • 58
    • 74

    Mostly Sunny

    • 55
    • 68

    Breezy

    • 55
    • 68

    Mostly Sunny

Today 6 Oct San Francisco Bay Shoreline

Sunny. Highs in the mid 80s to lower 90s. Light Winds. Becoming northwest 5 to 15 Mph in the afternoon.

Tonight 6 Oct San Francisco Bay Shoreline

Clear. Lows in the lower 60s. West Winds 10 to 15 Mph in the evening. Becoming light.

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South San Francisco Temperature Statistics

October Temperature

San Francisco, San Francisco International Airport (3.1 miles)

  • Lowest 1 October, 2026

    54.6 °F

  • Average October

    66.2 °F

  • Highest 3 October, 2026

    88 °F

Climate (2021–2026)

San Francisco, San Francisco International Airport (3.1 miles)

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  • Average Low 2021–2026

    52.5 °F

  • Average 2021–2026

    58.7 °F

  • Average High 2021–2026

    66.8 °F
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