San Francisco Bay - Sierra Point Marina Weather Forecast

    • 54
    • 69

    Increasing Clouds

    • 52
    • 66

    Partly Sunny

    • 53
    • 64

    Mostly Cloudy

    • 53
    • 62

    Breezy

    • 54
    • 65

    Mostly Sunny

    • 54
    • 65

    Mostly Sunny

Today 23 May San Francisco Bay Shoreline

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

Tonight 23 May San Francisco Bay Shoreline

Mostly clear in the evening then becoming partly cloudy. 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

    66.8 °F
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