San Francisco Bay - Oyster Bay Regional Shoreline Weather Forecast

    • 54
    • 74

    Mostly Sunny

    • 54
    • 71

    Mostly Sunny

    • 54
    • 72

    Partly Sunny

    • 52
    • 68

    Partly Sunny

    • 53
    • 66

    Partly Sunny

    • 53
    • 68

    Partly Sunny

Today 21 May San Francisco Bay Shoreline

Sunny. Highs in the 70s to lower 80s. Northwest Winds up to 5 Mph increasing to 5 to 15 Mph in the afternoon.

Tonight 21 May San Francisco Bay Shoreline

Mostly clear. Lows in the lower 50s. Northwest Winds 10 to 15 Mph. Becoming west up to 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Francisco Bay - Oyster Bay Regional Shoreline Temperature Statistics

May Temperature

Oakland, Metro Oakland International Airport (1.9 miles)

  • Lowest 16 May, 2026

    48.7 °F

  • Average May

    61.2 °F

  • Highest 18 May, 2026

    82 °F

Climate (2021–Present)

Oakland, Metro Oakland International Airport (1.9 miles)

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  • Average Low 2021–2026

    51.1 °F

  • Average 2021–2026

    58.8 °F

  • Average High 2021–2026

    67.1 °F
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