Yes
you do need a jacket based on the weather in San Francisco, CA, USA 1 second ago
Why? Because it's on the windy side!
70°F21°C & Mostly Clear
Wind is 12 mph20 km/h from the Southwest, gusting to 20 mph32 km/h
| June 28 | ||||
| 7pm | 69°F21°C | 13 mph21 km/h Southwest | Mostly Clear | |
| 8pm | 67°F20°C | 13 mph21 km/h Southwest | Mostly Clear | |
| 9pm | 65°F18°C | 13 mph21 km/h Southwest | Mostly Clear | |
| 10pm | 63°F17°C | 12 mph19 km/h Southwest | Mostly Clear | |
| 11pm | 61°F16°C | 10 mph16 km/h Southwest | Mostly Clear | |
| June 29 | ||||
| 12am | 60°F15°C | 9 mph14 km/h Southwest | Partly Cloudy | |
| 1am | 59°F15°C | 8 mph13 km/h Southwest | Partly Cloudy | |
| 2am | 58°F14°C | 6 mph10 km/h Southwest | Partly Cloudy | |
| 3am | 57°F14°C | 6 mph9 km/h Southwest | Partly Cloudy | |
| 4am | 56°F14°C | 6 mph9 km/h Southwest | Partly Cloudy | |
| 5am | 56°F13°C | 6 mph9 km/h Southwest | Partly Cloudy | |
| 6am | 55°F13°C | 6 mph9 km/h Southwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 28 | 53°F12°C | 73°F23°C | 8 mph12 km/h from West | Mostly Clear | Partly Cloudy |
| June 29 | 54°F12°C | 68°F20°C | 7 mph12 km/h from West | Mostly Clear | Partly Cloudy |
| June 30 | 55°F13°C | 66°F19°C | 8 mph13 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
| July 1 | 54°F12°C | 67°F19°C | 8 mph13 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
| July 2 | 55°F13°C | 65°F18°C | 9 mph15 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| July 3 | 55°F13°C | 67°F19°C | 10 mph16 km/h from West | Mostly Clear | Partly Cloudy |
| July 4 | 54°F12°C | 63°F17°C | 12 mph19 km/h from Southwest | Partly Cloudy | Partly Cloudy |
Yes
Low of 55°F13°C, High of 68°F20°CWind: 7 mph12 km/h
Precipitation: None