Attraction in San Francisco

Alcatraz Island Vejr Prognose

Alcatraz Island weather: 13°C, delvist skyet. Hver time forecast, 14-day outlook, UV, air quality and the best time og visit.

☁️ 13°C now🕔 4:10 PM local📅 Best: maj, juni, juli, august, september and oktober

Resumé

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

Lige nu er det 13°C (56°F) in Alcatraz Island med delvist skyet. Det føles som 11°C. I dag ligger temperaturen mellem 9°C og 19°C. Sandsynligheden for nedbør er 0%. Sightseeing conditions score 9.3/10 - fremragende — tag af sted nu.

Det bedste tidspunkt at besøge Alcatraz Island is maj, juni, juli, august, september and oktober. Klimaet er temperate. januar, februar and december tend og be the least comfortable months. oktober is the warmest month med average highs near 22°C, while januar is the coldest med 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 julia Pfeiffer Burns State Park.

Kort sagt. Today is slightly cooler than average for oktober. The forecast high of 19°C is 2.1°C below the 22°C typical for this month. The best window og be outside is roughly 12 PM og 3 PM, when temperature, rain chance and wind line up best. hiking 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 oktober 28 at 1:46PM PDT until oktober 31 at 6:00PM PDT by NWS San Francisco CA
Issued by NWS San Francisco CA

Vejret i Alcatraz Island lige nu

☁️
13°C
Delvist skyet · feels like 11°C
Luftfugtighed70%
Vind11 km/h WSW
Vindstød15 km/h
UV-indeks0 · Lav
Skydække79%
Tryk1011 hPa
SigtbarhedGood · 15 km
Luftkvalitet67 · Moderat
Solopgang7:31 AM
Solnedgang6:15 PM
Måne🌖 Waning gibbous · 87%

Open-Meteo Updated 4:10 PM, okt 29 local time.

Næste 24 timer

Temperatur, nedbørssandsynlighed og vind time for time.

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

16-day forecast for Alcatraz Island

Maks. / Min.; Nedbør; UV

DagForholdMaks. / Min.NedbørVindUV
ons, okt 28☁️ Overskyet19° / 9°0%18 km/h5
tor, okt 29☁️ Overskyet19° / 11°2%14 km/h4
fre, okt 30☁️ Overskyet19° / 10°2%21 km/h4
lør, okt 31☁️ Overskyet17° / 13°10%14 km/h3
søn, nov 1☀️ Klar himmel19° / 12°11%17 km/h4
man, nov 2☁️ Overskyet20° / 13°0%7 km/h4
tir, nov 3☁️ Overskyet22° / 14°18%10 km/h4
ons, nov 4🌦️ Let regn19° / 14°18% · 7 mm24 km/h4
tor, nov 5☁️ Overskyet18° / 14°12%17 km/h3
fre, nov 6☁️ Overskyet19° / 13°11%18 km/h4
lør, nov 7☁️ Overskyet18° / 14°10%13 km/h3
søn, nov 8☁️ Overskyet20° / 14°9%13 km/h4
man, nov 9☁️ Overskyet22° / 16°16%8 km/h3
tir, nov 10☁️ Overskyet24° / 16°23%7 km/h4
ons, nov 11🌦️ Light drizzle20° / 15°32% · 0 mm30 km/h3
tor, nov 12🌦️ Light showers17° / 13°23% · 17 mm39 km/h1

Klima in Alcatraz Island month by month

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

janfebmaraprmajjunjulaugsepoktnovdecLine: average high · Bars: rainfall
MånedAvg highAvg lowRegnfallRating
januar15°8°84 mm★★★☆☆
februar15°8°141 mm★★★☆☆
marts18°10°76 mm★★★★☆
april17°10°52 mm★★★★☆
maj18°11°15 mm★★★★★
juni19°12°0 mm★★★★★
juli19°13°2 mm★★★★★
august20°14°1 mm★★★★★
september21°14°6 mm★★★★★
oktober22°13°16 mm★★★★★
november17°10°104 mm★★★☆☆
december14°8°148 mm★★★☆☆

Klima type: Temperate. Kilde: Open-Meteo archive (ERA5).

Vejr map for Alcatraz Island

Animated model layers. Pick a layer og load it.

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

Luftkvalitet and pollen in Alcatraz Island

67
Moderat
Unusually sensitive people should limit long outdoor exertion.
PM2.511.4 µg/m³
PM1013.3 µg/m³
Ozone85 µg/m³
NO₂12.1 µg/m³
UV-indeks0 · Lav
Airborne hazeKlart air

Luftkvalitet: Open-Meteo (CAMS). US AQI scale.

søn, twilight and moon

Solopgang7:31 AM
Solnedgang6:15 PM
Daglight10h 44m
Solar noon12:53 PM
Golden hour (am)7:31 AM - 8:31 AM
Golden hour (pm)5:15 PM - 6:15 PM
Blue hour (am)7:01 AM - 7:31 AM
Blue hour (pm)6:15 PM - 6:45 PM
Måne phase🌖 Waning gibbous · 87%
Månerise8:55 PM
Måneset11:55 AM

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

Bedste rejsetid Alcatraz Island

Go in maj, juni, juli, august, september and oktober. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: januar, februar and december - expect the least comfortable mix of heat, cold or rain.

januar★★★☆☆
februar★★★☆☆
marts★★★★☆
april★★★★☆
maj★★★★★
juni★★★★★
juli★★★★★
august★★★★★
september★★★★★
oktober★★★★★
november★★★☆☆
december★★★☆☆

Explore Alcatraz Island

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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 Nordamerika.

What is the weather like in Alcatraz Island lige nu?

It is currently 13°C (56°F) med delvist skyet. Luftfugtighed is 70% and wind is 11 km/h.

When is the best time og visit Alcatraz Island?

maj, juni, juli, august, september and oktober offer the most comfortable conditions in Alcatraz Island, which has a temperate climate. januar, februar and december 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 4:10 PM.

What is the nearest airport og Alcatraz Island?

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

What are the top things og do in Alcatraz Island?

Popular options include Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park, julia 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.
Prognose and observationsOpen-Meteo (ECMWF and national models).
Luftkvalitet and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Klima averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Vejr 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 oktober 29, 2026 at 4:10 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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