Alcatraz Island Weather Forecast
- 52
- 59
Mostly Sunny
- 51
- 56
Partly Sunny
- 53
- 57
Mostly Cloudy
- 51
- 56
Breezy
- 52
- 58
Breezy
- 53
- 61
Mostly Sunny
- 53
- 59
Partly Sunny
Today 30 Apr San Francisco
Mostly cloudy in the morning then becoming sunny. Highs in the 50s to upper 60s. Southwest Winds 5 to 10 Mph.
Tonight 30 Apr San Francisco
Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s. Southwest Winds 5 to 10 Mph.
Alcatraz Island Temperature Statistics
April Temperature
Oakland, Metro Oakland International Airport (12.4 miles)
Lowest 2 April, 2025
42.7 °FAverage April
57.4 °FHighest 9 April, 2025
75.7 °F
Climate (2020–Present)
Oakland, Metro Oakland International Airport (12.4 miles)
Average Low 2020–2025
51.2 °FAverage 2020–2025
58.9 °FAverage High 2020–2025
67.5 °F