Steinberger Slough - Mariner Park Weather Forecast

    • 59
    • 83

    Mostly Sunny

    • 66
    • 86

    Partly Sunny

    • 68
    • 92

    Partly Sunny

    • 63
    • 87

    Mostly Sunny

    • 60
    • 80

    Mostly Sunny

    • 59
    • 77

    Partly Sunny

Today 7 Sep San Francisco Bay Shoreline

Sunny. Highs in the upper 70s to mid 80s. Light Winds. Becoming northwest 10 to 15 Mph in the afternoon.

Tonight 7 Sep San Francisco Bay Shoreline

Mostly clear. Lows in the upper 50s. South Winds up to 5 Mph.

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Steinberger Slough - Mariner Park Temperature Statistics

September Temperature

San Carlos Airport (0 miles)

  • Lowest 5 September, 2026

    55.4 °F

  • Average September

    63.2 °F

  • Highest 5 September, 2026

    77 °F

Climate (2021–2026)

San Carlos Airport (0 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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