San Francisco Bay - Sierra Point Marina Weather Forecast

    • 54
    • 68

    Partly Sunny

    • 51
    • 67

    Becoming Sunny

    • 53
    • 72

    Mostly Sunny

    • 53
    • 74

    Sunny

    • 52
    • 69

    Breezy

    • 55
    • 73

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

Today 12 May San Francisco Bay Shoreline

Partly cloudy. Highs in the upper 60s to mid 70s. West Winds 10 to 20 Mph.

Tonight 12 May San Francisco Bay Shoreline

Partly cloudy 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

May Temperature

San Francisco, San Francisco International Airport (3.7 miles)

  • Lowest 10 May, 2026

    53.1 °F

  • Average May

    58.8 °F

  • Highest 6 May, 2026

    67.6 °F

Climate (2021–Present)

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

    66.7 °F
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