No
you don't need a jacket based on the weather in San Francisco (South Beach), California, United States 1 second ago
67°F19°C & Clear
Wind is 9 mph15 km/h from the West, gusting to 16 mph25 km/h
| August 19 | ||||
| 5pm | 67°F20°C | 10 mph17 km/h West | Clear | |
| 6pm | 67°F20°C | 12 mph19 km/h West | Clear | |
| 7pm | 67°F20°C | 13 mph21 km/h West | Clear | |
| 8pm | 67°F19°C | 14 mph23 km/h West | Clear | |
| 9pm | 66°F19°C | 13 mph22 km/h West | Clear | |
| 10pm | 64°F18°C | 12 mph19 km/h West | Clear | |
| 11pm | 63°F17°C | 9 mph14 km/h Southwest | Mostly Clear | |
| August 20 | ||||
| 12am | 62°F16°C | 7 mph11 km/h Southwest | Mostly Clear | |
| 1am | 61°F16°C | 6 mph10 km/h Southwest | Mostly Clear | |
| 2am | 60°F16°C | 6 mph9 km/h Southwest | Mostly Clear | |
| 3am | 60°F15°C | 5 mph9 km/h Southwest | Mostly Clear | |
| 4am | 59°F15°C | 5 mph8 km/h Southwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 19 | 58°F14°C | 67°F20°C | 8 mph13 km/h from West | Mostly Clear | Mostly Clear |
| August 20 | 58°F14°C | 74°F23°C | 6 mph10 km/h from Southwest | Mostly Clear | Mostly Clear |
| August 21 | 58°F15°C | 73°F23°C | 6 mph10 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| August 22 | 58°F14°C | 69°F20°C | 7 mph11 km/h from Southwest | Mostly Clear | Partly Cloudy |
| August 23 | 57°F14°C | 66°F19°C | 8 mph12 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
| August 24 | 58°F14°C | 66°F19°C | 8 mph13 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
| August 25 | 58°F14°C | 66°F19°C | 8 mph13 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
Yes
Low of 58°F15°C, High of 74°F24°CWind: 6 mph10 km/h
Precipitation: None