Alcatraz Island, CA
California · Season: year-round · Nearest city: San Francisco, CA →
Right now
Updated 9:33 AM
15°
Partly cloudy
Feels like 12°
Visit planner
🎟️
Today:
high rain chance — pack ponchos and plan indoor stretches.
🌡️
Comfortable temperatures for a full day out.
Weather map — Alcatraz Island
Sun, Nov 15 · Today
Mostly cloudy
17°
13°
86%
⌄
Wind12 mph S
Gusts21 mph
UV index1 – Low
Precip chance86% · 0.36 in
Sunrise6:49 AM
Sunset4:58 PM
Mon, Nov 16
Showers
15°
11°
62%
⌄
Wind9 mph W
Gusts14 mph
UV index3 – Low
Precip chance62% · 0.09 in
Sunrise6:51 AM
Sunset4:57 PM
Tue, Nov 17
Partly cloudy
15°
8°
36%
⌄
Wind12 mph SE
Gusts21 mph
UV index3 – Low
Precip chance36% · 0.01 in
Sunrise6:52 AM
Sunset4:57 PM
Wed, Nov 18
Showers
14°
12°
86%
⌄
Wind18 mph SE
Gusts33 mph
UV index0 – Low
Precip chance86% · 1.49 in
Sunrise6:53 AM
Sunset4:56 PM
Thu, Nov 19
Showers
12°
11°
88%
⌄
Wind13 mph S
Gusts36 mph
UV index3 – Moderate
Precip chance88% · 0.86 in
Sunrise6:54 AM
Sunset4:55 PM
Fri, Nov 20
Showers
15°
10°
57%
⌄
Wind7 mph W
Gusts13 mph
UV index3 – Moderate
Precip chance57% · 0.04 in
Sunrise6:55 AM
Sunset4:55 PM
Sat, Nov 21
Drizzle
15°
11°
83%
⌄
Wind13 mph S
Gusts22 mph
UV index3 – Moderate
Precip chance83% · 0.25 in
Sunrise6:56 AM
Sunset4:54 PM
Sun, Nov 22
Showers
14°
11°
80%
⌄
Wind6 mph S
Gusts20 mph
UV index4 – Moderate
Precip chance80% · 0.21 in
Sunrise6:57 AM
Sunset4:54 PM
Mon, Nov 23
Mostly cloudy
14°
9°
27%
⌄
Wind7 mph SE
Gusts13 mph
UV index3 – Moderate
Precip chance27%
Sunrise6:58 AM
Sunset4:53 PM
Tue, Nov 24
Showers
15°
12°
85%
⌄
Wind13 mph SE
Gusts28 mph
UV index3 – Moderate
Precip chance85% · 1.14 in
Sunrise6:59 AM
Sunset4:53 PM
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