City in California

San Francisco 天気 予報

San Francisco weather: 15°C, 曇り. 時間別 forecast, 14-day outlook, UV, air quality and the best timeからvisit.

☁️ 15°C now🕔 9:44 PM local📅 Best: 5月, 6月, 7月, 8月, 9月 and 10月👥 810.000

Risk assessment for San Francisco

Derived from the current forecast window - not an official warning.

Fire weather8.9

12 dry days, 0 days above 32°C and humidity at 85%. Hot, dry and windy together is what drives fire spread.

Airborne particulates1

晴れ air overhead現在. Aerosol readings cannot separate wildfire smoke from dust, so treat this as a haze signal, not a fire confirmation.

大気質 and pollen in San Francisco

64
中程度
Unusually sensitive people should limit long outdoor exertion.
PM2.516.5 µg/m³
PM1020.1 µg/m³
Ozone41 µg/m³
NO₂34.6 µg/m³
UV指数0 · 低い
Airborne haze晴れ air

大気質: Open-Meteo (CAMS). US AQI scale.

Health and safety today

Skin and UVNo protection needed for most skin types.
General状況 are comfortable for most people, including children and older adults,、normal clothing.

Active alerts for San Francisco

⚠️Coastal Flood Advisory · Minor
Coastal Flood Advisory issued 10月 25 at 8:36PM PDT until 10月 29 at 3:00PM PDT by NWS San Francisco CA
Issued by NWS San Francisco CA

時間帯別のSan Francisco 予報を見る

San Francisco weather - more answers

Explore San Francisco

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

天気 for related places

Frequently asked questions

Where is San Francisco?

San Francisco is a city in California. Its coordinates are 37.7749, -122.4194. It lies in 北アメリカ.

What is the weather like in San Francisco現在?

It is currently 15°C (60°F)、曇り. 湿度 is 85% and wind is 13 km/h.

When is the best timeからvisit San Francisco?

5月, 6月, 7月, 8月, 9月 and 10月 offer the most comfortable conditions in San Francisco, which has a Mediterranean climate. 1月, 2月 and 12月 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 local time is 9:44 PM.

How many people live in San Francisco?

San Francisco has a population of approximately 810.000.

What is the nearest airportからSan Francisco?

The closest airports are San Francisco International Airport (SFO), 17 km away.

What are the top thingsからdo in San Francisco?

Popular options include Alcatraz Island, Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park, 7月ia 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 dataUSPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts.
予報 and observationsOpen-Meteo (ECMWF and national models).
大気質 and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
気候 averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National 天気 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 10月 25, 2026 at 9:44 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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