Alcatraz Island Weather Forecast

    • 57
    • 66

    Breezy

    • 60
    • 63

    Slight Chance Rain

    • 57
    • 61

    Mostly Sunny

    • 59
    • 63

    Breezy

    • 58
    • 62

    Breezy

    • 58
    • 62

    Sunny

    • 59
    • 64

    Mostly Sunny

Today 15 Sep San Francisco

Mostly cloudy in the morning then becoming partly cloudy. Highs in the 60s to lower 70s. West Winds 10 to 20 Mph.

Tonight 15 Sep San Francisco

Mostly cloudy. A chance of rain after midnight. Lows around 60. West Winds 10 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alcatraz Island Temperature Statistics

September Temperature

Oakland, Metro Oakland International Airport (12.4 miles)

  • Lowest 9 September, 2019

    57 °F
  • Average September

    66.3 °F
  • Highest 12 September, 2019

    90 °F

Climate (2010–Present)

Oakland, Metro Oakland International Airport (12.4 miles)

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  • Average Low 2010–Present

    52 °F
  • Average 2010–Present

    58.7 °F
  • Average High 2010–Present

    66.9 °F
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