San Francisco Bay - Oyster Bay Regional Shoreline Weather Forecast

    • 54
    • 81

    Becoming Sunny

    • 54
    • 78

    Mostly Sunny

    • 54
    • 74

    Mostly Sunny

    • 53
    • 68

    Partly Sunny

    • 53
    • 68

    Partly Sunny

    • 53
    • 68

    Partly Sunny

Today 20 May San Francisco Bay Shoreline

Partly cloudy. Highs in the 70s to mid 80s. West Winds up to 5 Mph. Becoming northwest 5 to 15 Mph in the afternoon.

Tonight 20 May San Francisco Bay Shoreline

Mostly clear. Lows in the mid 50s. West Winds up to 5 Mph.

Graph Plots Open in Graphs

  • 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 °F

  • Highest 18 May, 2026

    82 °F

Climate (2021–Present)

Oakland, Metro Oakland International Airport (1.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    51.1 °F

  • Average 2021–2026

    58.8 °F

  • Average High 2021–2026

    67.1 °F
Get WillyWeather+ to remove ads