Yes
you do need a jacket based on the weather in San Francisco, CA, USA 1 second ago
Why? Because there are strong winds blowing out there!
62°F17°C & Windy
Wind is 16 mph26 km/h from the West, gusting to 29 mph46 km/h
| August 16 | ||||
| 1am | 62°F17°C | 14 mph23 km/h West | Mostly Clear | |
| 2am | 62°F17°C | 13 mph20 km/h West | Partly Cloudy | |
| 3am | 62°F16°C | 12 mph19 km/h West | Mostly Cloudy | |
| 4am | 61°F16°C | 11 mph18 km/h West | Mostly Cloudy | |
| 5am | 61°F16°C | 11 mph18 km/h West | Mostly Cloudy | |
| 6am | 61°F16°C | 13 mph20 km/h West | Mostly Cloudy | |
| 7am | 61°F16°C | 13 mph21 km/h West | Mostly Cloudy | |
| 8am | 61°F16°C | 11 mph17 km/h West | Cloudy | |
| 9am | 61°F16°C | 10 mph17 km/h West | Cloudy | |
| 10am | 61°F16°C | 10 mph16 km/h West | Cloudy | |
| 11am | 62°F17°C | 10 mph17 km/h West | Cloudy | |
| 12pm | 63°F17°C | 11 mph17 km/h West | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 15 | 57°F14°C | 69°F21°C | 8 mph12 km/h from West | Mostly Clear | Mostly Cloudy |
| August 16 | 60°F16°C | 70°F21°C | 11 mph18 km/h from West | Mostly Cloudy | Mostly Cloudy |
| August 17 | 58°F14°C | 67°F20°C | 11 mph18 km/h from West | Mostly Cloudy | Mostly Cloudy |
| August 18 | 57°F14°C | 68°F20°C | 10 mph16 km/h from West | Mostly Clear | Mostly Clear |
| August 19 | 57°F14°C | 67°F19°C | 9 mph14 km/h from West | Mostly Clear | Mostly Clear |
| August 20 | 56°F13°C | 70°F21°C | 6 mph9 km/h from Southwest | Mostly Clear | Partly Cloudy |
| August 21 | 56°F13°C | 69°F20°C | 6 mph10 km/h from Southwest | Mostly Clear | Mostly Clear |
No
Low of 60°F16°C, High of 70°F21°CWind: 11 mph18 km/h
Precipitation: None