San Francisco Bay - Sierra Point Marina Weather Forecast

    • 52
    • 66

    Chance Rain

    • 53
    • 69

    Slight Chance Rain

    • 52
    • 64

    Mostly Cloudy

    • 50
    • 66

    Mostly Sunny

    • 52
    • 70

    Mostly Sunny

    • 53
    • 73

    Mostly Sunny

Today 27 May San Francisco Bay Shoreline

Partly cloudy. Highs in the mid 60s to lower 70s. South Winds up to 5 Mph increasing to west 10 to 20 Mph in the afternoon.

Tonight 27 May San Francisco Bay Shoreline

Partly cloudy. Lows in the lower 50s. Southwest Winds 5 to 10 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 11 May, 2026

    50.6 °F

  • Average May

    60.5 °F

  • Highest 19 May, 2026

    82.7 °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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