San Francisco Bay - Islais Creek Weather Forecast

    • 54
    • 68

    Mostly Sunny

    • 54
    • 66

    Increasing Clouds

    • 55
    • 66

    Partly Sunny

    • 54
    • 64

    Partly Sunny

    • 54
    • 62

    Partly Sunny

    • 54
    • 62

    Partly Sunny

    • 54
    • 61

    Mostly Sunny

Today 20 May San Francisco

Sunny. Highs in the lower 60s to mid 70s. West Winds around 10 Mph.

Tonight 20 May San Francisco

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 40s to mid 50s. Southwest Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

San Francisco Bay - Islais Creek Temperature Statistics

May Temperature

Oakland, Metro Oakland International Airport (8.1 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 (8.1 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