San Francisco County 天氣 預報
San Francisco County weather: 17°C, 晴朗. 逐小時 forecast, 14-day outlook, UV, air quality and the best time至visit.
Risk assessment for San Francisco County
Derived from the current forecast window - not an official warning.
16 dry days, 0 days above 32°C and humidity at 59%. Hot, dry and windy together is what drives fire spread.
晴朗 air overhead現在. Aerosol readings cannot separate wildfire smoke from dust, so treat this as a haze signal, not a fire confirmation.
空氣品質 and pollen in San Francisco County
空氣品質: Open-Meteo (CAMS). US AQI scale.
Health and safety today
| Skin and UV | No protection needed for most skin types. |
|---|---|
| General | 天氣狀況 are comfortable for most people, including children and older adults,，天氣為normal clothing. |
Active alerts for San Francisco County
Coastal Flood Advisory issued 十月 24 at 1:34PM PDT until 十月 29 at 3:00PM PDT by NWS San Francisco CA
Issued by NWS San Francisco CA
查看 San Francisco County 的分時預報
San Francisco County weather - more answers
Explore San Francisco County
Every topic we hold for this place, and the same topic for the places around it.
天氣 for related places
Frequently asked questions
Where is San Francisco County?
San Francisco County is a county in California. Its coordinates are 37.7749, -122.4194. It lies in 北美洲.
What is the weather like in San Francisco County現在?
It is currently 17°C (63°F)，天氣為晴朗. 濕度 is 59% and wind is 18 km/h.
When is the best time至visit San Francisco County?
五月, 六月, 七月, 八月, 九月 and 十月 offer the most comfortable conditions in San Francisco County, which has a Mediterranean climate. 一月, 二月 and 十二月 are usually the hardest months for outdoor plans.
What time zone is San Francisco County in?
San Francisco County observes America/Los_Angeles (UTC-07:00). The local time is 6:50 PM.
How many people live in San Francisco County?
San Francisco County has a population of approximately 810.000.
What is the nearest airport至San Francisco County?
The closest airports are San Francisco International Airport (SFO), 17 km away.
What are the top things至do in San Francisco County?
Popular options include Alcatraz Island, Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park, 七月ia Pfeiffer Burns State Park and Emerald Bay State Park.
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| Place data | USPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts. |
|---|---|
| 預報 and observations | Open-Meteo (ECMWF and national models). |
| 空氣品質 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 氣候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天氣 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 十月 24, 2026 at 6:50 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
