Yes
you do need a jacket based on the weather in San Francisco (Potrero Hill), California, United States 1 second ago
Why? Because it's pretty chilly!
58°F14°C & Cloudy
Wind is 3 mph5 km/h from the Southwest, gusting to 9 mph15 km/h
| October 25 | ||||
| 10am | 58°F14°C | 4 mph6 km/h Southwest | Cloudy | |
| 11am | 58°F14°C | 4 mph6 km/h Southwest | Cloudy | |
| 12pm | 58°F14°C | 5 mph9 km/h South | Cloudy | |
| 1pm | 57°F14°C | 6 mph9 km/h South | Cloudy | |
| 2pm | 58°F14°C | 6 mph10 km/h South | Cloudy | |
| 3pm | 58°F15°C | 7 mph12 km/h South | Cloudy | |
| 4pm | 59°F15°C | 8 mph12 km/h South | Cloudy | |
| 5pm | 60°F16°C | 8 mph13 km/h South | Cloudy | |
| 6pm | 62°F16°C | 9 mph15 km/h South | Cloudy | |
| 7pm | 63°F17°C | 9 mph14 km/h Southwest | Cloudy | |
| 8pm | 64°F18°C | 9 mph15 km/h Southwest | Cloudy | |
| 9pm | 65°F18°C | 9 mph14 km/h Southwest | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| October 25 | 56°F13°C | 65°F18°C | 8 mph13 km/h from Southwest | Cloudy | Partly Cloudy |
| October 26 | 55°F13°C | 65°F18°C | 8 mph13 km/h from South | Mostly Cloudy | Partly Cloudy |
| October 27 | 53°F11°C | 67°F19°C | 5 mph8 km/h from Northwest | Mostly Clear | Clear |
| October 28 | 53°F12°C | 71°F22°C | 4 mph6 km/h from Northwest | Clear | Clear |
| October 29 | 55°F13°C | 74°F23°C | 5 mph7 km/h from Northwest | Clear | Partly Cloudy |
| October 30 | 56°F14°C | 66°F19°C | 5 mph9 km/h from West | Partly Cloudy | Partly Cloudy |
| October 31 | 54°F12°C | 67°F20°C | 4 mph7 km/h from West | Partly Cloudy | Mostly Clear |
Yes
Low of 55°F13°C, High of 65°F19°CWind: 8 mph13 km/h
Precipitation: None