San Francisco Bay - Sierra Point Marina Weather Forecast

    • 65
    • 85

    Increasing Clouds

    • 60
    • 76

    Increasing Clouds

    • 57
    • 70

    Partly Sunny

    • 58
    • 71

    Partly Sunny

    • 58
    • 67

    Partly Sunny

    • 57
    • 66

    Partly Sunny

    • 57
    • 66

    Mostly Sunny

Today 21 Jul San Francisco Bay Shoreline

Sunny. Highs in the mid 80s to lower 90s. West Winds 5 to 15 Mph.

Tonight 21 Jul San Francisco Bay Shoreline

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 60s. West Winds 5 to 15 Mph.

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  • Temperature Real-Time

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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