San Francisco Bay - Sierra Point Marina Weather Forecast

    • 59
    • 74

    Increasing Clouds

    • 57
    • 71

    Partly Sunny

    • 58
    • 71

    Partly Sunny

    • 58
    • 73

    Mostly Sunny

    • 58
    • 67

    Partly Sunny

    • 58
    • 66

    Mostly Sunny

Today 22 Jul San Francisco Bay Shoreline

Partly cloudy late in the morning then becoming sunny. Highs in the 70s to lower 80s. West Winds 10 to 20 Mph.

Tonight 22 Jul San Francisco Bay Shoreline

Partly cloudy in the evening then becoming mostly cloudy. Lows around 60. West Winds 10 to 20 Mph. Becoming 5 to 10 Mph after midnight.

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San Francisco Bay - Sierra Point Marina Temperature Statistics

July Temperature

San Francisco, San Francisco International Airport (3.7 miles)

  • Lowest 11 July, 2026

    53.7 °F

  • Average July

    63.7 °F

  • Highest 14 July, 2026

    83.6 °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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