San Francisco Bay - Greco Island Weather Forecast

    • 53
    • 62

    Increasing Clouds

    • 52
    • 62

    Partly Sunny

    • 53
    • 64

    Mostly Sunny

    • 53
    • 65

    Partly Sunny

    • 56
    • 80

    Partly Sunny

    • 55
    • 80

    Partly Sunny

Today 7 May San Francisco Bay Shoreline

Mostly cloudy in the morning then becoming sunny. Highs in the mid 60s to lower 70s. West Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 7 May San Francisco Bay Shoreline

Mostly cloudy. Areas of fog. Lows in the lower 50s. West Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

San Francisco Bay - Greco Island Temperature Statistics

May Temperature

San Carlos Airport (3.7 miles)

  • Lowest 1 May, 2026

    53.6 °F

  • Average May

    57.8 °F

  • Highest 1 May, 2026

    69.8 °F

Climate (2021–Present)

San Carlos Airport (3.7 miles)

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

  • Average Low 2021–2026

    51.6 °F

  • Average 2021–2026

    56.9 °F

  • Average High 2021–2026

    68.3 °F
Get WillyWeather+ to remove ads