San Francisco Bay - Sierra Point Marina Weather Forecast

    • 55
    • 71

    Gradual Clearing

    • 55
    • 68

    Partly Sunny

    • 58
    • 73

    Mostly Cloudy

    • 58
    • 69

    Partly Sunny

    • 58
    • 69

    Mostly Sunny

    • 57
    • 69

    Mostly Sunny

Today 9 Jul San Francisco Bay Shoreline

Mostly cloudy in the morning then becoming sunny. Highs in the 70s. West Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 9 Jul San Francisco Bay Shoreline

Mostly clear in the evening then becoming mostly cloudy. Lows in the mid 50s. West Winds 10 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Francisco Bay - Sierra Point Marina Temperature Statistics

July Temperature

San Francisco, San Francisco International Airport (3.7 miles)

  • Lowest 4 July, 2026

    54.6 °F

  • Average July

    62.9 °F

  • Highest 1 July, 2026

    71.7 °F

Climate (2021–2026)

San Francisco, San Francisco International Airport (3.7 miles)

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  • Average Low 2021–2026

    52.5 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    66.8 °F
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