San Francisco 天气 预报
San Francisco weather: 12°C, 晴. 逐小时 forecast, 14-day outlook, UV, air quality and the best time至visit.
14-day forecast for San Francisco
最高 / 最低; 降水; UV
| 日期 | 天气状况 | 最高 / 最低 | 降水 | 风 | UV |
|---|---|---|---|---|---|
| 周二, 十月 27 | ☁️ 阴天 | 18° / 11° | 1% | 21 km/h | 4 |
| 周三, 十月 28 | ☁️ 阴天 | 20° / 10° | 0% | 18 km/h | 5 |
| 周四, 十月 29 | ☁️ 阴天 | 18° / 14° | 0% | 9 km/h | 3 |
| 周五, 十月 30 | ☁️ 阴天 | 17° / 14° | 0% | 20 km/h | 4 |
| 周六, 十月 31 | ☁️ 阴天 | 16° / 13° | 11% | 15 km/h | 3 |
| 周日, 十一月 1 | ☁️ 阴天 | 17° / 12° | 12% | 12 km/h | 4 |
| 周一, 十一月 2 | ☁️ 阴天 | 20° / 13° | 3% | 11 km/h | 4 |
| 周二, 十一月 3 | ☁️ 阴天 | 21° / 14° | 27% | 10 km/h | 3 |
| 周三, 十一月 4 | ☁️ 阴天 | 21° / 17° | 26% | 14 km/h | 4 |
| 周四, 十一月 5 | ☁️ 阴天 | 21° / 16° | 41% | 12 km/h | 4 |
| 周五, 十一月 6 | 🌧️ 雨 | 20° / 16° | 46% · 8 mm | 37 km/h | 3 |
| 周六, 十一月 7 | 🌦️ Light showers | 18° / 15° | 55% · 7 mm | 27 km/h | 4 |
| 周日, 十一月 8 | 🌤️ 大部晴朗 | 18° / 13° | 65% | 14 km/h | 4 |
| 周一, 十一月 9 | ☁️ 阴天 | 19° / 14° | 31% | 12 km/h | 4 |
The two-week trend
Warming. The second half of the window averages 2°C warmer than the days immediately ahead.
The window averages 19°C against a 十月 normal of 22°C - 3°C below.
The next 7 days look unusually dry - roughly 0% of a normal 十月 week (0 mm against 4 mm).
What this means for San Francisco
Today is slightly cooler than average for 十月. The forecast high of 18°C is 3.9°C below the 22°C typical for this month.
雨 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 六月至八月.
The gap between the warmest and coldest month averages 6°C - an unusually even climate through the year.
What至pack, what至skip
- Normal seasonal clothing - nothing unusual is needed this week
- If your dates are flexible, avoid 一月, 二月 and 十二月 - historically the least comfortable months here.
查看 San Francisco 的分时预报
San Francisco weather - more answers
Explore San Francisco
Every topic we hold for this place, and the same topic for the places around it.
天气 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 北美洲.
What is the weather like in San Francisco现在?
It is currently 12°C (54°F)，天气为晴. 湿度 is 79% and wind is 15 km/h.
When is the best time至visit San Francisco?
五月, 六月, 七月, 八月, 九月 and 十月 offer the most comfortable conditions in San Francisco, 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 in?
San Francisco observes America/Los_Angeles (UTC-07:00). The local time is 10:21 AM.
How many people live in San Francisco?
San Francisco has a population of approximately 810.000.
What is the nearest airport至San Francisco?
The closest airports are San Francisco International Airport (SFO), 17 km away.
What are the top things至do in San Francisco?
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.
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. |
|---|---|
| 预报 and observations | Open-Meteo (ECMWF and national models). |
| 空气质量 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 气候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天气 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 27, 2026 at 10:21 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
