Alcatraz Island Vejr Prognose
Alcatraz Island weather: 15°C, overskyet. Hver time forecast, 14-day outlook, UV, air quality and the best time og visit.
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 15°C (58°F) in Alcatraz Island med overskyet. Det føles som 14°C. I dag ligger temperaturen mellem 12°C og 20°C. Sandsynligheden for nedbør er 2%. Sightseeing conditions score 9.4/10 - 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 about average for september. The forecast high of 20°C is in line med the 21°C typical for this month. The best window og be outside is roughly 1 PM og 4 PM, when temperature, rain chance and wind line up best. hiking is the strongest bet in Alcatraz Island today at 9.5/10. 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.
Vejret i Alcatraz Island lige nu
Open-Meteo Updated 9:59 PM, sep 15 local time.
Næste 24 timer
Temperatur, nedbørssandsynlighed og vind time for time.
16-day forecast for Alcatraz Island
Maks. / Min.; Nedbør; UV
| Dag | Forhold | Maks. / Min. | Nedbør | Vind | UV |
|---|---|---|---|---|---|
| tir, sep 15 | 🌥️ Tåge | 20° / 12° | 2% | 22 km/h | 7 |
| ons, sep 16 | 🌥️ Tåge | 17° / 14° | 2% | 26 km/h | 5 |
| tor, sep 17 | ☁️ Overskyet | 20° / 14° | 13% | 17 km/h | 7 |
| fre, sep 18 | ☀️ Klar himmel | 22° / 15° | 0% | 16 km/h | 7 |
| lør, sep 19 | ☁️ Overskyet | 21° / 15° | 0% | 19 km/h | 7 |
| søn, sep 20 | ☁️ Overskyet | 18° / 15° | 1% | 28 km/h | 6 |
| man, sep 21 | ☁️ Overskyet | 21° / 15° | 1% | 22 km/h | 6 |
| tir, sep 22 | ⛅ Delvist skyet | 26° / 16° | 0% | 13 km/h | 6 |
| ons, sep 23 | ⛅ Delvist skyet | 34° / 20° | 1% | 11 km/h | 6 |
| tor, sep 24 | ☀️ Klar himmel | 29° / 18° | 2% | 17 km/h | 6 |
| fre, sep 25 | ☁️ Overskyet | 18° / 14° | 2% | 37 km/h | 6 |
| lør, sep 26 | ⛅ Delvist skyet | 18° / 14° | 6% | 27 km/h | 6 |
| søn, sep 27 | ☀️ Klar himmel | 21° / 14° | 6% | 20 km/h | 6 |
| man, sep 28 | ⛅ Delvist skyet | 26° / 16° | 3% | 12 km/h | 6 |
| tir, sep 29 | 🌤️ Mest klart | 24° / 15° | 3% | 12 km/h | 6 |
| ons, sep 30 | ☁️ Overskyet | 23° / 15° | 3% | 12 km/h | 6 |
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 | ★★★☆☆ |
| marts | 18° | 10° | 76 mm | ★★★★☆ |
| april | 17° | 10° | 52 mm | ★★★★☆ |
| maj | 18° | 11° | 15 mm | ★★★★★ |
| juni | 19° | 12° | 0 mm | ★★★★★ |
| juli | 19° | 13° | 2 mm | ★★★★★ |
| august | 20° | 14° | 1 mm | ★★★★★ |
| september | 21° | 14° | 4 mm | ★★★★★ |
| oktober | 22° | 13° | 19 mm | ★★★★★ |
| november | 17° | 10° | 104 mm | ★★★☆☆ |
| december | 14° | 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.
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.
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.
Explore Alcatraz Island
Every topic we hold for this place, and the same topic for the places around it.
Vejr 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 Nordamerika.
What is the weather like in Alcatraz Island lige nu?
It is currently 15°C (58°F) med overskyet. Luftfugtighed is 94% and wind is 14 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 9:59 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.
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| Place data | USPOTUS Atlas dataset (attractions) - coordinates, hierarchy and facts. |
|---|---|
| Prognose 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 Vejr 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 15, 2026 at 9:59 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
