No
you don't need a jacket based on the weather in San Francisco, CA, USA 1 second ago
71°F22°C & Clear
Wind is 9 mph15 km/h from the West, gusting to 15 mph24 km/h
| August 28 | ||||
| 6pm | 71°F22°C | 10 mph16 km/h West | Clear | |
| 7pm | 69°F21°C | 12 mph19 km/h West | Clear | |
| 8pm | 68°F20°C | 12 mph20 km/h West | Clear | |
| 9pm | 66°F19°C | 13 mph20 km/h West | Mostly Clear | |
| 10pm | 63°F17°C | 13 mph20 km/h West | Mostly Clear | |
| 11pm | 62°F17°C | 12 mph19 km/h West | Mostly Clear | |
| August 29 | ||||
| 12am | 61°F16°C | 10 mph16 km/h West | Mostly Clear | |
| 1am | 60°F16°C | 7 mph11 km/h West | Mostly Clear | |
| 2am | 60°F15°C | 6 mph10 km/h West | Partly Cloudy | |
| 3am | 59°F15°C | 6 mph10 km/h West | Partly Cloudy | |
| 4am | 59°F15°C | 6 mph10 km/h West | Partly Cloudy | |
| 5am | 58°F15°C | 6 mph10 km/h West | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 28 | 58°F14°C | 71°F22°C | 7 mph12 km/h from West | Mostly Clear | Partly Cloudy |
| August 29 | 57°F14°C | 69°F20°C | 8 mph13 km/h from West | Partly Cloudy | Mostly Clear |
| August 30 | 58°F14°C | 74°F23°C | 7 mph10 km/h from Southwest | Clear | Clear |
| August 31 | 59°F15°C | 73°F23°C | 7 mph11 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 1 | 58°F14°C | 70°F21°C | 7 mph11 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 2 | 58°F15°C | 73°F23°C | 6 mph10 km/h from Southwest | Mostly Clear | Partly Cloudy |
| September 3 | 59°F15°C | 72°F22°C | 6 mph10 km/h from Southwest | Mostly Clear | Partly Cloudy |
Yes
Low of 57°F14°C, High of 69°F21°CWind: 8 mph13 km/h
Precipitation: None