Alcatraz Island Weather Forecast

    • 52
    • 60

    Partly Sunny

    • 56
    • 60

    Rain Likely

    • 57
    • 59

    Rain

    • 54
    • 61

    Mostly Cloudy

    • 55
    • 63

    Mostly Cloudy

    • 56
    • 64

    Mostly Cloudy

    • 56
    • 63

    Mostly Cloudy

Today 22 Feb San Francisco

Partly cloudy. Highs in the lower 60s. South Winds 5 to 15 Mph.

Tonight 22 Feb San Francisco

Partly cloudy in the evening then becoming mostly cloudy. Lows around 50. Southeast Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Alcatraz Island Temperature Statistics

February Temperature

Oakland, Metro Oakland International Airport (12.4 miles)

  • Lowest 20 February, 2026

    36 °F

  • Average February

    53.3 °F

  • Highest 5 February, 2026

    71.7 °F

Climate (2021–Present)

Oakland, Metro Oakland International Airport (12.4 miles)

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

  • Average Low 2021–2026

    51 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    66.8 °F
Get WillyWeather+ to remove ads