No
you don't need a jacket based on the weather in San Francisco, CA 94123, USA 1 second ago
61°F16°C & Mostly Cloudy
Wind is 10 mph16 km/h from the Southwest, gusting to 16 mph25 km/h
| September 26 | ||||
| 12am | 60°F16°C | 10 mph16 km/h Southwest | Mostly Cloudy | |
| 1am | 60°F16°C | 9 mph15 km/h Southwest | Mostly Cloudy | |
| 2am | 60°F15°C | 9 mph15 km/h Southwest | Mostly Cloudy | |
| 3am | 60°F15°C | 7 mph12 km/h Southwest | Mostly Cloudy | |
| 4am | 60°F15°C | 7 mph11 km/h Southwest | Partly Cloudy | |
| 5am | 59°F15°C | 5 mph8 km/h Southwest | Mostly Clear | |
| 6am | 59°F15°C | 4 mph6 km/h South | Partly Cloudy | |
| 7am | 59°F15°C | 3 mph5 km/h Southwest | Partly Cloudy | |
| 8am | 59°F15°C | 3 mph5 km/h Southwest | Mostly Clear | |
| 9am | 58°F15°C | 3 mph5 km/h Southwest | Mostly Clear | |
| 10am | 58°F14°C | 4 mph6 km/h South | Mostly Clear | |
| 11am | 59°F15°C | 3 mph5 km/h South | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 25 | 60°F15°C | 67°F20°C | 9 mph15 km/h from West | Partly Cloudy | Partly Cloudy |
| September 26 | 58°F14°C | 72°F22°C | 6 mph9 km/h from Southwest | Clear | Clear |
| September 27 | 58°F15°C | 69°F20°C | 10 mph16 km/h from Southwest | Mostly Clear | Mostly Cloudy |
| September 28 | 59°F15°C | 69°F20°C | 9 mph14 km/h from Southwest | Mostly Cloudy | Drizzle |
| September 29 | 60°F16°C | 67°F20°C | 8 mph14 km/h from South | Drizzle | Rain |
| September 30 | 60°F15°C | 69°F21°C | 11 mph18 km/h from South | Rain | Rain |
| October 1 | 59°F15°C | 70°F21°C | 5 mph8 km/h from West | Partly Cloudy | Mostly Clear |
Yes
Low of 58°F15°C, High of 72°F22°CWind: 6 mph9 km/h
Precipitation: None