No
you don't need a jacket based on the weather in San Francisco, CA, USA 8 minutes ago
62°F17°C & Partly Cloudy
Wind is 9 mph14 km/h from the Southwest, gusting to 16 mph26 km/h
| September 27 | ||||
| 1pm | 65°F18°C | 9 mph14 km/h Southwest | Mostly Clear | |
| 2pm | 67°F19°C | 9 mph14 km/h Southwest | Mostly Clear | |
| 3pm | 68°F20°C | 12 mph19 km/h Southwest | Partly Cloudy | |
| 4pm | 68°F20°C | 13 mph21 km/h Southwest | Partly Cloudy | |
| 5pm | 68°F20°C | 14 mph22 km/h Southwest | Partly Cloudy | |
| 6pm | 68°F20°C | 14 mph22 km/h Southwest | Partly Cloudy | |
| 7pm | 68°F20°C | 12 mph19 km/h Southwest | Mostly Clear | |
| 8pm | 67°F20°C | 12 mph19 km/h Southwest | Mostly Clear | |
| 9pm | 66°F19°C | 11 mph18 km/h Southwest | Mostly Clear | |
| 10pm | 64°F18°C | 10 mph16 km/h Southwest | Partly Cloudy | |
| 11pm | 63°F17°C | 9 mph15 km/h Southwest | Partly Cloudy | |
| September 28 | ||||
| 12am | 62°F17°C | 8 mph13 km/h Southwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 27 | 57°F14°C | 68°F20°C | 10 mph17 km/h from Southwest | Mostly Clear | Mostly Cloudy |
| September 28 | 61°F16°C | 69°F20°C | 7 mph11 km/h from Southwest | Cloudy | Cloudy |
| September 29 | 61°F16°C | 70°F21°C | 7 mph12 km/h from Southwest | Drizzle | Mostly Cloudy |
| September 30 | 58°F14°C | 70°F21°C | 6 mph10 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| October 1 | 60°F16°C | 70°F21°C | 5 mph8 km/h from South | Drizzle | Drizzle |
| October 2 | 58°F14°C | 69°F21°C | 6 mph9 km/h from West | Mostly Cloudy | Mostly Clear |
| October 3 | 54°F12°C | 70°F21°C | 6 mph10 km/h from West | Clear | Mostly Clear |
No
Low of 61°F16°C, High of 69°F21°CWind: 7 mph11 km/h
Precipitation: 4% rain