Alcatraz Island Vær Værmelding
Alcatraz Island weather: 23°C, klar himmel. Time for time forecast, 14-day outlook, UV, air quality and the best time til visit.
Sammendrag
Alcatraz Island is a tourist attraction in San Francisco. Alcatraz Island is a landmark known for the former federal prison in the bay.
Akkurat nå er det 23°C (73°F) in Alcatraz Island med klar himmel. Det føles som 21°C. I dag varierer temperaturen mellom 13°C til 26°C. Sannsynligheten for nedbør er 1%. Sightseeing conditions score 9.3/10 - utmerket — dra nå.
Beste tidspunkt å besøke Alcatraz Island is mai, juni, juli, august, september and oktober. Klimaet er temperate. januar, februar and desember tend til 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 warmer than average for september. The forecast high of 26°C is 4.8°C above the 21°C typical for this month. The best window til be outside is roughly 4 PM til 7 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Alcatraz Island today at 10/10. 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 issued september 29 at 2:54PM PDT until oktober 1 at 5:00PM PDT by NWS San Francisco CA
Issued by NWS San Francisco CA
Været i Alcatraz Island akkurat nå
Wear sunglasses and use SPF 30+ if you are outside for long.
Open-Meteo Updated 7:07 PM, sep 30 local time.
Neste 24 timer
Temperatur, nedbørssannsynlighet og vind time for time.
16-day forecast for Alcatraz Island
Maks. / Min.; Nedbør; UV
| Dag | Forhold | Maks. / Min. | Nedbør | Vind | UV |
|---|---|---|---|---|---|
| ons, sep 30 | ☀️ Klar himmel | 26° / 13° | 1% | 25 km/h | 6 |
| tor, okt 1 | 🌥️ Tåke | 20° / 12° | 1% | 21 km/h | 6 |
| fre, okt 2 | 🌥️ Tåke | 25° / 12° | 1% | 13 km/h | 6 |
| lør, okt 3 | ⛅ Delvis skyet | 30° / 18° | 0% | 10 km/h | 6 |
| søn, okt 4 | ☁️ Overskyet | 29° / 20° | 3% | 11 km/h | 6 |
| man, okt 5 | ☀️ Klar himmel | 28° / 20° | 1% | 12 km/h | 6 |
| tir, okt 6 | ☀️ Klar himmel | 28° / 19° | 0% | 11 km/h | 6 |
| ons, okt 7 | ☀️ Klar himmel | 31° / 20° | 1% | 11 km/h | 6 |
| tor, okt 8 | ☀️ Klar himmel | 29° / 19° | 1% | 12 km/h | 6 |
| fre, okt 9 | ☀️ Klar himmel | 23° / 16° | 1% | 12 km/h | 6 |
| lør, okt 10 | ☀️ Klar himmel | 22° / 14° | 0% | 13 km/h | 6 |
| søn, okt 11 | ☀️ Klar himmel | 27° / 15° | 5% | 10 km/h | 6 |
| man, okt 12 | ☀️ Klar himmel | 27° / 19° | 0% | 11 km/h | 6 |
| tir, okt 13 | ☀️ Klar himmel | 23° / 17° | 0% | 16 km/h | 5 |
| ons, okt 14 | ⛅ Delvis skyet | 20° / 16° | 0% | 21 km/h | 5 |
| tor, okt 15 | ☁️ Overskyet | 18° / 15° | 3% | 17 km/h | 5 |
Klima in Alcatraz Island month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Måned | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januar | 15° | 8° | 84 mm | ★★★☆☆ |
| februar | 15° | 9° | 141 mm | ★★★☆☆ |
| mars | 18° | 10° | 76 mm | ★★★★☆ |
| april | 17° | 10° | 52 mm | ★★★★☆ |
| mai | 18° | 11° | 15 mm | ★★★★★ |
| juni | 19° | 12° | 0 mm | ★★★★★ |
| juli | 19° | 13° | 2 mm | ★★★★★ |
| august | 20° | 14° | 1 mm | ★★★★★ |
| september | 21° | 14° | 5 mm | ★★★★★ |
| oktober | 22° | 13° | 19 mm | ★★★★★ |
| november | 17° | 10° | 104 mm | ★★★☆☆ |
| desember | 14° | 8° | 148 mm | ★★★☆☆ |
Klima type: Temperate. Kilde: Open-Meteo archive (ERA5).
Vær map for Alcatraz Island
Animated model layers. Pick a layer til load it.
Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.
Luftkvalitet and pollen in Alcatraz Island
Luftkvalitet: Open-Meteo (CAMS). US AQI scale.
søn, twilight and moon
Golden and blue hour are the standard photographic approximation around sunrise and sunset.
Beste tid å besøke Alcatraz Island
Go in mai, juni, juli, august, september and oktober. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: januar, februar and desember - expect the least comfortable mix of heat, cold or rain.
Explore Alcatraz Island
Every topic we hold for this place, and the same topic for the places around it.
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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 Nord-Amerika.
What is the weather like in Alcatraz Island akkurat nå?
It is currently 23°C (73°F) med klar himmel. Luftfuktighet is 56% and wind is 21 km/h.
When is the best time til visit Alcatraz Island?
mai, juni, juli, august, september and oktober offer the most comfortable conditions in Alcatraz Island, which has a temperate climate. januar, februar and desember 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 7:07 PM.
What is the nearest airport til Alcatraz Island?
The closest airports are San Francisco International Airport (SFO), 23 km away.
What are the top things til 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.
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| Place data | USPOTUS Atlas dataset (attractions) - coordinates, hierarchy and facts. |
|---|---|
| Værmelding and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Vær Service. |
| Method | Scores, 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 september 30, 2026 at 7:07 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
