No
you don't need a jacket based on the weather in San Francisco, CA, USA 4 minutes ago
62°F17°C & Cloudy
Wind is 6 mph9 km/h from the Southwest, gusting to 11 mph18 km/h
| September 9 | ||||
| 8am | 62°F17°C | 6 mph9 km/h West | Cloudy | |
| 9am | 62°F17°C | 5 mph8 km/h Southwest | Cloudy | |
| 10am | 62°F17°C | 4 mph7 km/h Southwest | Cloudy | |
| 11am | 63°F17°C | 4 mph7 km/h Southwest | Cloudy | |
| 12pm | 64°F18°C | 4 mph7 km/h Southwest | Cloudy | |
| 1pm | 65°F19°C | 5 mph9 km/h Southwest | Cloudy | |
| 2pm | 68°F20°C | 7 mph11 km/h Southwest | Cloudy | |
| 3pm | 69°F21°C | 8 mph12 km/h Southwest | Cloudy | |
| 4pm | 70°F21°C | 9 mph14 km/h Southwest | Mostly Cloudy | |
| 5pm | 71°F22°C | 10 mph16 km/h Southwest | Mostly Cloudy | |
| 6pm | 71°F22°C | 10 mph16 km/h Southwest | Mostly Cloudy | |
| 7pm | 70°F21°C | 10 mph17 km/h West | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 9 | 62°F17°C | 71°F22°C | 8 mph13 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| September 10 | 60°F16°C | 70°F21°C | 8 mph13 km/h from West | Mostly Cloudy | Mostly Cloudy |
| September 11 | 59°F15°C | 70°F21°C | 8 mph13 km/h from West | Partly Cloudy | Partly Cloudy |
| September 12 | 59°F15°C | 70°F21°C | 8 mph12 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| September 13 | 58°F15°C | 69°F21°C | 10 mph16 km/h from West | Partly Cloudy | Mostly Cloudy |
| September 14 | 61°F16°C | 71°F22°C | 8 mph14 km/h from West | Mostly Cloudy | Partly Cloudy |
| September 15 | 58°F15°C | 73°F23°C | 6 mph10 km/h from Southwest | Mostly Clear | Mostly Clear |
No
Low of 60°F16°C, High of 70°F21°CWind: 8 mph13 km/h
Precipitation: 19% rain