Yes
you do need a jacket based on the weather in San Francisco, CA, USA 1 second ago
Why? Because the wind could blow a wig clean off your head!
73°F23°C & Partly Cloudy
Wind is 12 mph19 km/h from the West, gusting to 19 mph31 km/h
| September 14 | ||||
| 6pm | 73°F23°C | 13 mph21 km/h West | Mostly Clear | |
| 7pm | 72°F22°C | 14 mph22 km/h West | Mostly Clear | |
| 8pm | 71°F22°C | 14 mph22 km/h West | Clear | |
| 9pm | 69°F21°C | 13 mph21 km/h West | Clear | |
| 10pm | 66°F19°C | 12 mph19 km/h West | Clear | |
| 11pm | 64°F18°C | 11 mph18 km/h West | Mostly Clear | |
| September 15 | ||||
| 12am | 63°F17°C | 10 mph17 km/h West | Partly Cloudy | |
| 1am | 62°F16°C | 6 mph10 km/h Southwest | Partly Cloudy | |
| 2am | 61°F16°C | 6 mph9 km/h Southwest | Mostly Cloudy | |
| 3am | 60°F16°C | 5 mph8 km/h Southwest | Mostly Cloudy | |
| 4am | 60°F15°C | 5 mph8 km/h Southwest | Mostly Cloudy | |
| 5am | 59°F15°C | 5 mph7 km/h South | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 14 | 60°F15°C | 74°F23°C | 9 mph14 km/h from West | Mostly Clear | Partly Cloudy |
| September 15 | 58°F14°C | 79°F26°C | 4 mph7 km/h from West | Mostly Clear | Clear |
| September 16 | 59°F15°C | 76°F25°C | 5 mph8 km/h from West | Clear | Mostly Clear |
| September 17 | 57°F14°C | 72°F22°C | 6 mph9 km/h from West | Partly Cloudy | Partly Cloudy |
| September 18 | 59°F15°C | 68°F20°C | 7 mph11 km/h from Southwest | Mostly Cloudy | Cloudy |
| September 19 | 60°F16°C | 72°F22°C | 6 mph10 km/h from West | Partly Cloudy | Mostly Cloudy |
| September 20 | 59°F15°C | 70°F21°C | 7 mph11 km/h from West | Partly Cloudy | Mostly Cloudy |
Yes
Low of 58°F15°C, High of 79°F26°CWind: 4 mph7 km/h
Precipitation: None