San Francisco Tempo Previsão
San Francisco weather: 13°C, encoberto. Por hora forecast, 14-day outlook, UV, air quality and the best time a visit.
Risk assessment for San Francisco
Derived from the current forecast window – not an official warning.
Peak gusts of 35 km/h and 0 thunderstorm days in the next 16 days.
Wettest single day forecast at 6 mm, 6 mm across the window. Flash flooding risk rises sharply above 50 mm in a day.
16-day previsão para San Francisco
Máximas e mínimas diárias, precipitação e UV.
| Dia | Condições | Máx. / Mín. | Precip. | Vento | UV |
|---|---|---|---|---|---|
| seg., set 21 | 🌥️ Nevoeiro | 16° / 13° | 2% | 21 km/h | 6 |
| ter., set 22 | 🌥️ Nevoeiro | 21° / 13° | 2% | 19 km/h | 6 |
| qua., set 23 | ☁️ Encoberto | 24° / 14° | 0% | 12 km/h | 6 |
| qui., set 24 | ☁️ Encoberto | 21° / 15° | 0% | 22 km/h | 6 |
| sex., set 25 | ☁️ Encoberto | 20° / 15° | 0% | 15 km/h | 6 |
| sáb., set 26 | ☁️ Encoberto | 21° / 14° | 0% | 16 km/h | 5 |
| dom., set 27 | ☁️ Encoberto | 21° / 14° | 1% | 15 km/h | 6 |
| seg., set 28 | ☀️ Céu limpo | 27° / 15° | 1% | 12 km/h | 6 |
| ter., set 29 | ☁️ Encoberto | 31° / 19° | 1% | 11 km/h | 6 |
| qua., set 30 | 🌦️ Chuva fraca | 23° / 16° | 6% · 6 mm | 15 km/h | 5 |
| qui., out 1 | ☀️ Céu limpo | 22° / 15° | 3% | 13 km/h | 6 |
| sex., out 2 | ☀️ Céu limpo | 21° / 15° | 6% | 22 km/h | 6 |
| sáb., out 3 | ☀️ Céu limpo | 21° / 14° | 6% | 20 km/h | 6 |
| dom., out 4 | ☁️ Encoberto | 27° / 16° | 3% | 16 km/h | 6 |
| seg., out 5 | ☁️ Encoberto | 25° / 17° | 3% | 12 km/h | 6 |
| ter., out 6 | ☀️ Céu limpo | -- / -- | 2% | -- | — |
What this means for San Francisco
Today is cooler than average for setembro. The forecast high of 16°C is 4.7°C below the 21°C typical for this month.
Chuva is very unlikely today – plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in junho a agosto.
The gap between the warmest and coldest month averages 6°C – an unusually even climate through the year.
Ver a previsão de San Francisco por período
San Francisco weather – more answers
Explore San Francisco
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 San Francisco?
San Francisco is a city in California. Its coordinates are 37.7749, -122.4194. It lies in América do Norte.
What is the weather like in San Francisco agora?
It is currently 13°C (55°F) com encoberto. Humidade is 94% and wind is 8 km/h.
When is the best time a visit San Francisco?
mai, junho, julho, agosto, setembro and outubro offer the most comfortable conditions in San Francisco, which has a Mediterranean climate. janeiro, fevereiro and dezembro are usually the hardest months for outdoor plans.
What time zone is San Francisco in?
San Francisco observes America/Los_Angeles (UTC-07:00). The hora local is 7:20 PM.
How many people live in San Francisco?
San Francisco has a population of approximately 810.000.
What is the nearest airport a San Francisco?
The closest airports are San Francisco International Airport (SFO), 17 km away.
What are the top things a do in San Francisco?
Popular options include Alcatraz Island, Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park, julia Pfeiffer Burns State Park and Emerald Bay State Park.
What places are in San Francisco?
San Francisco covers 8 places in this atlas, including Alcatraz Island, Golden Gate Bridge, San Francisco International Airport, Fisherman's Wharf, Mission District and ZIP Code 94102.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) – coordinates, hierarchy and facts. |
|---|---|
| Previsão and observations | Open-Meteo (ECMWF and national models). |
| Qualidade do ar and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Clima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Tempo 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 setembro 21, 2026 at 7:20 PM hora local. Live blocks refresh every 15 minutes; climate averages monthly.





