Attraction in San Francisco

Alcatraz Island 天气 预报

Alcatraz Island weather: 16°C, 晴朗. 逐小时 forecast, 14-day outlook, UV, air quality and the best time至visit.

☀️ 16°C now🕔 4:29 PM local📅 Best: 五月, 六月, 七月, 八月, 九月 and 十月

摘要

Alcatraz Island is a tourist attraction in San Francisco. Alcatraz Island is a landmark known for the former federal prison in the bay.

目前气温为16°C (61°F) in Alcatraz Island,天气为晴朗. 体感温度为13°C. 今天气温在12°C至19°C. 降水概率为1%. Sightseeing conditions score 9.2/10 - 极佳 — 现在适合出行.

最佳旅游时间是Alcatraz Island is 五月, 六月, 七月, 八月, 九月 and 十月. 气候为temperate. 一月, 二月 and 十二月 tend至be the least comfortable months. 十月 is the warmest month,天气为average highs near 22°C, while 一月 is the coldest,天气为lows near 8°C.

The closest major airport is San Francisco International Airport (SFO), about 23 km away. Nearby highlights include Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park and 七月ia Pfeiffer Burns State Park.

简单来说。 Today is slightly cooler than average for 十月. The forecast high of 19°C is 2.8°C below the 22°C typical for this month. The best window至be outside is roughly 1 PM至4 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Alcatraz Island today at 9.6/10. No weather-related travel disruption is expected today. Roads and airports should run normally.

Compiled from this page's own data: atlas facts plus live Open-Meteo readings.

Active alerts for Alcatraz Island

⚠️Coastal Flood Advisory · Minor
Coastal Flood Advisory issued 十月 28 at 12:20AM PDT until 十月 31 at 6:00PM PDT by NWS San Francisco CA
Issued by NWS San Francisco CA

天气:Alcatraz Island现在

☀️
16°C
晴朗 · feels like 13°C
湿度65%
风23 km/h W
阵风35 km/h
UV指数0.7 · 低
云量10%
气压1016 hPa
能见度Good · 19 km
空气质量47 · Good
日出7:29 AM
日落6:17 PM
月亮🌖 Waning gibbous · 94%

Open-Meteo Updated 4:29 PM, 十月 28 local time.

接下来 24 小时

逐小时温度、降水概率和风力

6 PM☀️16°0%22 km/h
7 PM🌙14°0%18 km/h
8 PM🌙14°0%16 km/h
9 PM🌙14°0%12 km/h
10 PM🌙13°0%13 km/h
11 PM🌙13°0%16 km/h
12 AM🌙13°0%18 km/h
1 AM🌙13°0%20 km/h
2 AM🌙13°0%20 km/h
3 AM🌙13°0%19 km/h
4 AM🌙12°0%17 km/h
5 AM🌙12°0%16 km/h
6 AM🌙12°0%16 km/h
7 AM☁️12°0%16 km/h
8 AM☁️12°0%17 km/h
9 AM☁️14°0%19 km/h
10 AM☁️15°0%10 km/h
11 AM☁️16°0%5 km/h
12 PM☁️17°0%3 km/h
1 PM☁️17°0%3 km/h
2 PM☀️18°0%6 km/h
3 PM☀️19°0%15 km/h
4 PM🌤️18°0%20 km/h
5 PM☀️17°0%19 km/h

16-day forecast for Alcatraz Island

最高 / 最低; 降水; UV

日期天气状况最高 / 最低降水风UV
周一, 十月 26☁️ 阴天19° / 12°1%23 km/h5
周二, 十月 27☁️ 阴天19° / 11°0%20 km/h4
周三, 十月 28☁️ 阴天18° / 10°0%12 km/h5
周四, 十月 29☁️ 阴天19° / 13°0%10 km/h4
周五, 十月 30☁️ 阴天16° / 12°2%25 km/h4
周六, 十月 31☁️ 阴天15° / 13°16%23 km/h4
周日, 十一月 1☀️ 晴朗18° / 11°16%12 km/h4
周一, 十一月 2☁️ 阴天21° / 12°11%10 km/h4
周二, 十一月 3☁️ 阴天22° / 14°31%6 km/h4
周三, 十一月 4🌦️ 毛毛雨22° / 15°29% · 2 mm13 km/h3
周四, 十一月 5🌦️ Light showers18° / 14°41% · 7 mm14 km/h1
周五, 十一月 6🌧️ 雨21° / 17°39% · 14 mm43 km/h3
周六, 十一月 7🌧️ 雨20° / 16°35% · 16 mm37 km/h3
周日, 十一月 8🌦️ Light drizzle19° / 15°45% · 1 mm10 km/h4
周一, 十一月 9☁️ 阴天20° / 15°19%11 km/h4
周二, 十一月 10☀️ 晴朗23° / 17°18%10 km/h4

气候 in Alcatraz Island month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

一二三四五六七八九十十十Line: average high · Bars: rainfall
月份Avg highAvg low雨fallRating
一月15°8°84 mm★★★☆☆
二月15°9°141 mm★★★☆☆
三月18°10°76 mm★★★★☆
四月17°10°52 mm★★★★☆
五月18°11°15 mm★★★★★
六月19°12°0 mm★★★★★
七月19°13°2 mm★★★★★
八月20°14°1 mm★★★★★
九月21°14°5 mm★★★★★
十月22°13°19 mm★★★★★
十一月17°10°104 mm★★★☆☆
十二月14°8°148 mm★★★☆☆

气候 type: Temperate. 来源: Open-Meteo archive (ERA5).

天气 map for Alcatraz Island

Animated model layers. Pick a layer至load it.

Loading map…

Animated layers by 风y. For pin-level detail and nearby places, see the interactive map below.

空气质量 and pollen in Alcatraz Island

47
Good
空气质量 is satisfactory for everyone.
PM2.523.5 µg/m³
PM1024.3 µg/m³
Ozone1 µg/m³
NO₂36.3 µg/m³
UV指数0.7 · 低
Airborne haze晴 air

空气质量: Open-Meteo (CAMS). US AQI scale.

周日, twilight and moon

日出7:29 AM
日落6:17 PM
日期light10h 48m
Solar noon12:53 PM
Golden hour (am)7:29 AM - 8:29 AM
Golden hour (pm)5:17 PM - 6:17 PM
Blue hour (am)6:59 AM - 7:29 AM
Blue hour (pm)6:17 PM - 6:47 PM
月亮 phase🌖 Waning gibbous · 94%
月亮rise7:55 PM
月亮set10:55 AM

Golden and blue hour are the standard photographic approximation around sunrise and sunset.

最佳旅游时间 Alcatraz Island

Go in 五月, 六月, 七月, 八月, 九月 and 十月. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: 一月, 二月 and 十二月 - expect the least comfortable mix of heat, cold or rain.

一月★★★☆☆
二月★★★☆☆
三月★★★★☆
四月★★★★☆
五月★★★★★
六月★★★★★
七月★★★★★
八月★★★★★
九月★★★★★
十月★★★★★
十一月★★★☆☆
十二月★★★☆☆

Explore Alcatraz Island

Every topic we hold for this place, and the same topic for the places around it.

天气 for related places

Frequently asked questions

Where is Alcatraz Island?

Alcatraz Island is a tourist attraction in San Francisco. Its coordinates are 37.8267, -122.423. It lies in 北美洲.

What is the weather like in Alcatraz Island现在?

It is currently 16°C (61°F),天气为晴朗. 湿度 is 65% and wind is 23 km/h.

When is the best time至visit Alcatraz Island?

五月, 六月, 七月, 八月, 九月 and 十月 offer the most comfortable conditions in Alcatraz Island, which has a temperate climate. 一月, 二月 and 十二月 are usually the hardest months for outdoor plans.

What time zone is Alcatraz Island in?

Alcatraz Island observes America/Los_Angeles (UTC-07:00). The local time is 4:29 PM.

What is the nearest airport至Alcatraz Island?

The closest airports are San Francisco International Airport (SFO), 23 km away.

What are the top things至do in Alcatraz Island?

Popular options include Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park, 七月ia Pfeiffer Burns State Park, Emerald Bay State Park and Yosemite National Park.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (attractions) - coordinates, hierarchy and facts.
预报 and observationsOpen-Meteo (ECMWF and national models).
空气质量 and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
气候 averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National 天气 Service.
MethodScores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown.

Last updated 十月 28, 2026 at 4:29 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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