San Francisco 天気 予報
San Francisco weather: 15°C, 晴れ. 時間別 forecast, 14-day outlook, UV, air quality and the best timeからvisit.
Risk assessment for San Francisco
Derived from the current forecast window - not an official warning.
Peak gusts of 63 km/h and 0 thunderstorm days in the next 16 days.
Wettest single day forecast at 16 mm, 39 mm across the window. Flash flooding risk rises sharply above 50 mm in a day.
Active alerts for San Francisco
Coastal Flood Advisory issued 10月 26 at 11:04AM PDT until 10月 29 at 3:00PM PDT by NWS San Francisco CA
Issued by NWS San Francisco CA
16-day forecast for San Francisco
最高 / 最低; 降水; UV
| 日 | 状況 | 最高 / 最低 | 降水 | 風 | UV |
|---|---|---|---|---|---|
| 月, 10月 26 | ☁️ 曇り | 19° / 11° | 1% | 21 km/h | 5 |
| 火, 10月 27 | ☁️ 曇り | 19° / 11° | 1% | 19 km/h | 4 |
| 水, 10月 28 | ☁️ 曇り | 19° / 9° | 0% | 12 km/h | 5 |
| 木, 10月 29 | ☁️ 曇り | 19° / 14° | 0% | 10 km/h | 4 |
| 金, 10月 30 | ☁️ 曇り | 16° / 12° | 2% | 25 km/h | 4 |
| 土, 10月 31 | ☁️ 曇り | 15° / 13° | 16% | 23 km/h | 4 |
| 日, 11月 1 | ☀️ 快晴 | 18° / 11° | 16% | 12 km/h | 4 |
| 月, 11月 2 | ☁️ 曇り | 21° / 12° | 11% | 10 km/h | 4 |
| 火, 11月 3 | ☁️ 曇り | 22° / 14° | 31% | 6 km/h | 4 |
| 水, 11月 4 | 🌦️ 霧雨 | 22° / 15° | 29% · 2 mm | 13 km/h | 3 |
| 木, 11月 5 | 🌦️ Light showers | 18° / 14° | 41% · 7 mm | 14 km/h | 1 |
| 金, 11月 6 | 🌧️ 雨 | 21° / 18° | 65% · 14 mm | 43 km/h | 3 |
| 土, 11月 7 | 🌧️ 雨 | 20° / 16° | 65% · 16 mm | 37 km/h | 3 |
| 日, 11月 8 | 🌦️ Light drizzle | 19° / 15° | 48% · 1 mm | 10 km/h | 4 |
| 月, 11月 9 | ☁️ 曇り | 20° / 15° | 47% | 11 km/h | 4 |
| 火, 11月 10 | ☀️ 快晴 | 23° / 17° | 22% | 10 km/h | 4 |
What this means for San Francisco
Today is slightly cooler than average for 10月. The forecast high of 19°C is 2.6°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 6月から8月.
The gap between the warmest and coldest month averages 6°C - an unusually even climate through the year.
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 (58°F)、晴れ. 湿度 is 72% and wind is 19 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 8:58 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 data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| 予報 and observations | Open-Meteo (ECMWF and national models). |
| 大気質 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 気候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天気 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 10月 26, 2026 at 8:58 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.





