Slight Chance Rain Showers
Today 18 Feb San Francisco
Sunny. Highs in the mid 50s. North Winds 15 to 20 Mph.
Tonight 18 Feb San Francisco
Clear. Lows in the upper 30s to mid 40s. North Winds 10 to 20 Mph.
Alcatraz Island Temperature Statistics
Oakland, Metro Oakland International Airport (12.4 miles)
Oakland, Metro Oakland International Airport (12.4 miles)Take a look at our website widgetsAvailable free! Find Out More
Average Low 2010–Present51.4 °F
Average 2010–Present58.2 °F
Average High 2010–Present66.4 °F