San Francisco Bay - Sierra Point Marina Weather Forecast

    • 53
    • 69

    Becoming Sunny

    • 53
    • 69

    Partly Sunny

    • 53
    • 66

    Partly Sunny

    • 53
    • 64

    Partly Sunny

    • 53
    • 65

    Mostly Sunny

    • 53
    • 70

    Mostly Sunny

Today 22 May San Francisco Bay Shoreline

Partly cloudy in the morning then becoming sunny. Highs in the 60s to upper 70s. Northwest Winds up to 5 Mph increasing to west 10 to 20 Mph in the afternoon.

Tonight 22 May San Francisco Bay Shoreline

Mostly clear. Lows in the lower 50s. West Winds 10 to 20 Mph. Becoming 5 to 10 Mph after midnight.

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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 11 May, 2026

    50.6 °F

  • Average May

    60.2 °F

  • Highest 19 May, 2026

    80.1 °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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