No
you don't need a jacket based on the weather in San Francisco, CA, USA 11 minutes ago
59°F15°C & Mostly Clear
Wind is 9 mph14 km/h from the West, gusting to 16 mph25 km/h
| April 5 | ||||
| 11pm | 58°F14°C | 8 mph14 km/h West | Mostly Clear | |
| April 6 | ||||
| 12am | 55°F13°C | 6 mph10 km/h West | Partly Cloudy | |
| 1am | 54°F12°C | 7 mph11 km/h West | Partly Cloudy | |
| 2am | 53°F12°C | 6 mph9 km/h West | Mostly Clear | |
| 3am | 52°F11°C | 6 mph9 km/h Southwest | Mostly Clear | |
| 4am | 51°F11°C | 5 mph8 km/h Southwest | Mostly Clear | |
| 5am | 51°F10°C | 5 mph8 km/h Southwest | Partly Cloudy | |
| 6am | 51°F10°C | 4 mph6 km/h Southwest | Mostly Clear | |
| 7am | 50°F10°C | 4 mph6 km/h Southwest | Mostly Clear | |
| 8am | 50°F10°C | 4 mph6 km/h Southwest | Mostly Clear | |
| 9am | 49°F10°C | 4 mph6 km/h Southwest | Mostly Clear | |
| 10am | 50°F10°C | 3 mph5 km/h Southwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 5 | 49°F9°C | 68°F20°C | 4 mph6 km/h from West | Mostly Clear | Mostly Clear |
| April 6 | 49°F10°C | 64°F18°C | 6 mph9 km/h from West | Mostly Cloudy | Cloudy |
| April 7 | 53°F12°C | 61°F16°C | 7 mph11 km/h from Southwest | Cloudy | Mostly Cloudy |
| April 8 | 52°F11°C | 65°F18°C | 8 mph13 km/h from West | Mostly Clear | Clear |
| April 9 | 51°F11°C | 71°F22°C | 5 mph9 km/h from West | Mostly Clear | Mostly Cloudy |
| April 10 | 52°F11°C | 68°F20°C | 7 mph12 km/h from West | Mostly Cloudy | Mostly Cloudy |
| April 11 | 52°F11°C | 66°F19°C | 9 mph14 km/h from West | Mostly Cloudy | Partly Cloudy |
Yes
Low of 49°F10°C, High of 64°F18°CWind: 6 mph9 km/h
Precipitation: None