No
you don't need a jacket based on the weather in San Francisco, CA, USA 1 second ago
59°F15°C & Mostly Clear
Wind is 7 mph12 km/h from the Southwest, gusting to 15 mph24 km/h
| June 28 | ||||
| 12am | 58°F14°C | 7 mph11 km/h Southwest | Clear | |
| 1am | 57°F14°C | 5 mph8 km/h Southwest | Mostly Clear | |
| 2am | 56°F13°C | 4 mph7 km/h South | Mostly Clear | |
| 3am | 57°F14°C | 4 mph7 km/h South | Mostly Clear | |
| 4am | 56°F13°C | 4 mph6 km/h South | Mostly Clear | |
| 5am | 56°F13°C | 4 mph7 km/h Southwest | Mostly Clear | |
| 6am | 55°F13°C | 5 mph8 km/h Southwest | Mostly Clear | |
| 7am | 55°F13°C | 4 mph7 km/h Southwest | Mostly Clear | |
| 8am | 55°F13°C | 4 mph6 km/h Southwest | Mostly Clear | |
| 9am | 55°F13°C | 4 mph6 km/h Southwest | Mostly Clear | |
| 10am | 55°F13°C | 4 mph7 km/h Southwest | Mostly Clear | |
| 11am | 57°F14°C | 4 mph7 km/h Southwest | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 27 | 53°F11°C | 70°F21°C | 6 mph10 km/h from West | Clear | Mostly Clear |
| June 28 | 54°F12°C | 68°F20°C | 8 mph12 km/h from West | Mostly Clear | Partly Cloudy |
| June 29 | 53°F12°C | 70°F21°C | 7 mph11 km/h from West | Mostly Clear | Partly Cloudy |
| June 30 | 53°F12°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 | 53°F12°C | 65°F18°C | 9 mph15 km/h from Southwest | Partly Cloudy | Mostly Clear |
| July 3 | 55°F13°C | 65°F19°C | 9 mph15 km/h from Southwest | Mostly Clear | Partly Cloudy |
Yes
Low of 55°F13°C, High of 68°F20°CWind: 8 mph12 km/h
Precipitation: None