No
you don't need a jacket based on the weather in San Francisco (Buena Vista), California, United States 1 second ago
60°F15°C & Clear
Wind is 8 mph13 km/h from the Southwest, gusting to 16 mph25 km/h
| September 27 | ||||
| 2am | 59°F15°C | 9 mph14 km/h Southwest | Clear | |
| 3am | 59°F15°C | 8 mph14 km/h Southwest | Clear | |
| 4am | 59°F15°C | 8 mph13 km/h Southwest | Clear | |
| 5am | 59°F15°C | 7 mph12 km/h Southwest | Clear | |
| 6am | 58°F15°C | 7 mph11 km/h Southwest | Clear | |
| 7am | 58°F14°C | 6 mph10 km/h Southwest | Clear | |
| 8am | 58°F14°C | 6 mph10 km/h Southwest | Clear | |
| 9am | 58°F14°C | 6 mph10 km/h Southwest | Mostly Clear | |
| 10am | 58°F14°C | 7 mph10 km/h Southwest | Mostly Clear | |
| 11am | 59°F15°C | 7 mph11 km/h Southwest | Mostly Clear | |
| 12pm | 61°F16°C | 8 mph12 km/h Southwest | Mostly Clear | |
| 1pm | 63°F17°C | 9 mph14 km/h Southwest | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 26 | 57°F14°C | 71°F21°C | 5 mph8 km/h from West | Clear | Clear |
| September 27 | 58°F14°C | 68°F20°C | 10 mph17 km/h from Southwest | Mostly Clear | Mostly Cloudy |
| September 28 | 59°F15°C | 68°F20°C | 7 mph12 km/h from Southwest | Mostly Cloudy | Cloudy |
| September 29 | 59°F15°C | 69°F21°C | 8 mph12 km/h from Southwest | Rain | Drizzle |
| September 30 | 59°F15°C | 69°F20°C | 8 mph12 km/h from Southwest | Drizzle | Drizzle |
| October 1 | 58°F15°C | 69°F20°C | 5 mph9 km/h from Southwest | Rain | Rain |
| October 2 | 58°F14°C | 68°F20°C | 5 mph9 km/h from West | Partly Cloudy | Mostly Clear |
Yes
Low of 57°F14°C, High of 68°F20°CWind: 10 mph17 km/h
Precipitation: None