San Francisco Bay - Seal Slough Weather Forecast

    • 57
    • 72

    Increasing Clouds

    • 58
    • 73

    Becoming Sunny

    • 57
    • 73

    Chance Rain

    • 56
    • 72

    Mostly Sunny

    • 57
    • 75

    Mostly Sunny

    • 57
    • 75

    Mostly Sunny

    • 59
    • 79

    Mostly Sunny

Today 1 Sep San Francisco Bay Shoreline

Sunny. Highs in the mid 70s. West Winds 10 to 20 Mph.

Tonight 1 Sep San Francisco Bay Shoreline

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 50s. West Winds 10 to 20 Mph. Becoming south 5 to 10 Mph after midnight.

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San Francisco Bay - Seal Slough Temperature Statistics

September Temperature

San Carlos Airport (4.3 miles)

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  • Average September

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Climate (2021–2026)

San Carlos Airport (4.3 miles)

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  • Average Low 2021–2026

    51.8 °F

  • Average 2021–2026

    57 °F

  • Average High 2021–2026

    68.3 °F
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