No
you don't need a jacket based on the weather in San Francisco, CA, USA 1 second ago
64°F18°C & Cloudy
Wind is 9 mph15 km/h from the Southwest, gusting to 16 mph26 km/h
| October 25 | ||||
| 9pm | 65°F18°C | 9 mph15 km/h West | Cloudy | |
| 10pm | 65°F18°C | 8 mph13 km/h West | Cloudy | |
| 11pm | 65°F18°C | 8 mph13 km/h West | Cloudy | |
| October 26 | ||||
| 12am | 64°F18°C | 8 mph13 km/h West | Cloudy | |
| 1am | 62°F17°C | 8 mph13 km/h West | Cloudy | |
| 2am | 61°F16°C | 7 mph11 km/h West | Cloudy | |
| 3am | 60°F16°C | 5 mph8 km/h West | Cloudy | |
| 4am | 59°F15°C | 5 mph8 km/h West | Mostly Cloudy | |
| 5am | 58°F15°C | 4 mph7 km/h West | Mostly Cloudy | |
| 6am | 57°F14°C | 3 mph5 km/h West | Partly Cloudy | |
| 7am | 56°F13°C | 4 mph6 km/h West | Partly Cloudy | |
| 8am | 55°F13°C | 4 mph6 km/h West | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| October 25 | 56°F13°C | 65°F18°C | 7 mph12 km/h from Southwest | Drizzle | Mostly Cloudy |
| October 26 | 54°F12°C | 65°F18°C | 8 mph13 km/h from South | Drizzle | Mostly Clear |
| October 27 | 53°F11°C | 68°F20°C | 5 mph8 km/h from Northwest | Mostly Clear | Clear |
| October 28 | 54°F12°C | 72°F22°C | 4 mph6 km/h from Northwest | Clear | Clear |
| October 29 | 55°F13°C | 75°F24°C | 5 mph8 km/h from Northwest | Clear | Mostly Clear |
| October 30 | 55°F13°C | 69°F20°C | 5 mph8 km/h from West | Partly Cloudy | Partly Cloudy |
| October 31 | 54°F12°C | 68°F20°C | 3 mph6 km/h from West | Partly Cloudy | Mostly Clear |
Yes
Low of 54°F12°C, High of 64°F18°CWind: 8 mph13 km/h
Precipitation: 31% rain