San Francisco Bay - San Mateo Creek Entrance Weather Forecast

    • 57
    • 64

    Partly Sunny

    • 57
    • 68

    Mostly Sunny

    • 58
    • 73

    Sunny

    • 59
    • 79

    Mostly Sunny

    • 58
    • 75

    Mostly Sunny

    • 58
    • 76

    Mostly Sunny

Today 27 Sep San Francisco Bay Shoreline

Mostly cloudy in the morning then becoming partly cloudy. Highs in the mid 60s to lower 70s. West Winds 10 to 20 Mph.

Tonight 27 Sep San Francisco Bay Shoreline

Partly cloudy. Lows in the mid 50s. West Winds 10 to 20 Mph.

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San Francisco Bay - San Mateo Creek Entrance Temperature Statistics

September Temperature

San Francisco, San Francisco International Airport (4.3 miles)

  • Lowest 23 September, 2026

    55.7 °F

  • Average September

    66.9 °F

  • Highest 9 September, 2026

    94.6 °F

Climate (2021–2026)

San Francisco, San Francisco International Airport (4.3 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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