Yes
you do need a jacket based on the weather in San Francisco (Fisherman's Wharf), California, United States 1 second ago
Why? Because it's not very warm out and it's so windy, even the squirrels are holding onto branches for dear life!
58°F14°C & Partly Cloudy
Wind is 14 mph22 km/h from the West, gusting to 23 mph37 km/h
| October 27 | ||||
| 4am | 58°F14°C | 13 mph22 km/h West | Mostly Clear | |
| 5am | 57°F14°C | 13 mph20 km/h West | Mostly Clear | |
| 6am | 57°F14°C | 11 mph18 km/h West | Mostly Clear | |
| 7am | 56°F14°C | 9 mph15 km/h West | Mostly Clear | |
| 8am | 56°F13°C | 6 mph10 km/h West | Clear | |
| 9am | 56°F13°C | 5 mph8 km/h Northwest | Clear | |
| 10am | 55°F13°C | 6 mph9 km/h Northwest | Clear | |
| 11am | 54°F12°C | 6 mph9 km/h Northwest | Mostly Clear | |
| 12pm | 54°F12°C | 6 mph9 km/h Northwest | Partly Cloudy | |
| 1pm | 53°F12°C | 5 mph9 km/h North | Mostly Clear | |
| 2pm | 53°F12°C | 5 mph8 km/h North | Mostly Clear | |
| 3pm | 53°F12°C | 5 mph8 km/h North | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| October 26 | 56°F14°C | 63°F17°C | 11 mph18 km/h from Southwest | Mostly Cloudy | Mostly Clear |
| October 27 | 53°F12°C | 67°F19°C | 5 mph9 km/h from Northwest | Clear | Clear |
| October 28 | 53°F11°C | 72°F22°C | 4 mph7 km/h from North | Clear | Clear |
| October 29 | 55°F13°C | 75°F24°C | 5 mph7 km/h from Northwest | Clear | Mostly Clear |
| October 30 | 55°F13°C | 63°F17°C | 5 mph8 km/h from West | Mostly Cloudy | Partly Cloudy |
| October 31 | 54°F12°C | 66°F19°C | 3 mph5 km/h from West | Mostly Clear | Mostly Clear |
| November 1 | 53°F12°C | 69°F21°C | 5 mph7 km/h from Northwest | Clear | Partly Cloudy |
Yes
Low of 53°F12°C, High of 67°F20°CWind: 5 mph9 km/h
Precipitation: None