Weather World
About Alcatraz Island, CaliforniaAlcatraz, CA 7-Day Weather Forecast
Alcatraz Island, San Francisco Bay, CA 94133 (415) 561-4900Quick Weather Clicks
Settings
Sun & Moon
Alcatraz Weather Forecast
Alcatraz, CA Weather Forecast Date: 1002 AM PST Sun Nov 08 2026
Weather forecast for Alcatraz, CA
Today Hi: 71°FHi: 22°C Lo: 53°F Lo: 12°C |
Rest of Today... Mostly cloudy late in the morning then becoming partly cloudy. Highs in the lower 70s. Northwest winds 5 to 10 mph. |
Mon Hi: 71°FHi: 22°C Lo: 53°F Lo: 12°C |
Monday... Mostly cloudy. Highs in the lower 70s. Northeast winds up to 5 mph...Becoming northwest 5 to 15 mph in the afternoon. |
Tue Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Tuesday... Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the mid 70s. North winds up to 5 mph...Becoming northwest 5 to 15 mph in the afternoon. |
Veterans Day Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Veterans Day... Mostly clear. Highs in the upper 70s. Lows in the 50s. |
| Thu Hi: 70°FHi: 21°C Lo: 55°F Lo: 13°C |
Thursday... Partly cloudy. Highs in the upper 60s to mid 70s. |
Fri Hi: 69°FHi: 21°C Lo: 55°F Lo: 13°C |
Friday... Partly cloudy. A slight chance of rain. Lows in the 50s. Highs in the upper 60s. |
| Fri Hi: 69°FHi: 21°C Lo: 55°F Lo: 13°C |
Friday... Partly cloudy. A slight chance of rain. Lows in the 50s. Highs in the upper 60s. |
Alcatraz Radar Loop
Use the map search tool if you want to place a location marker on the radar map...