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About Alcatraz Island, CaliforniaAlcatraz, CA 7-Day Night Weather Forecast
Alcatraz Island, San Francisco Bay, CA 94133 (415) 561-4900Quick Weather Clicks
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Alcatraz, CA Weather Forecast
Alcatraz, CA Weather Forecast Date: 902 PM PDT Wed Oct 28 2026
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Rest of Tonight... Partly cloudy late in the evening then becoming mostly cloudy. Lows in the lower 50s. Southwest winds 5 to 10 mph...Becoming southeast after midnight.
Thursday... Mostly cloudy. Highs in the upper 60s. Light winds... Becoming west up to 5 mph in the afternoon.
Thursday Night... Mostly cloudy. Lows in the lower 50s. Southwest winds 5 to 10 mph.
Friday... Partly cloudy in the morning then becoming sunny. Highs in the upper 60s. Southwest winds up to 5 mph...Becoming west 5 to 15 mph in the afternoon.
Friday Night... Mostly clear in the evening then becoming mostly cloudy. Lows in the lower 50s. West winds 10 to 20 mph...Becoming 5 to 10 mph after midnight.
Saturday... Mostly cloudy. Highs in the mid 60s.
Saturday Night... Mostly cloudy in the evening then becoming partly cloudy. A slight chance of rain. Lows in the upper 40s to mid 50s.
Sunday... Sunny. Highs in the mid 60s.
Sunday Night... Clear. Lows in the 40s to mid 50s.
Monday... Sunny in the morning then becoming partly cloudy. Highs in the upper 60s.
Monday Night... Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s to mid 50s.
Tuesday... Partly cloudy. A slight chance of rain. Highs in the upper 60s.
Tuesday Night... Partly cloudy. Lows in the upper 40s to mid 50s. Highs in the upper 60s.
POP = Probability of Precipitation
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