Yes
you do need a jacket based on the weather in San Francisco (South Beach), California, United States 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
56°F13°C & Partly Cloudy
Wind is 6 mph9 km/h from the West, gusting to 10 mph16 km/h
| October 30 | ||||
| 1pm | 56°F13°C | 6 mph9 km/h West | Partly Cloudy | |
| 2pm | 56°F13°C | 5 mph9 km/h West | Mostly Cloudy | |
| 3pm | 56°F13°C | 4 mph7 km/h West | Mostly Cloudy | |
| 4pm | 56°F13°C | 4 mph6 km/h Southwest | Mostly Cloudy | |
| 5pm | 57°F14°C | 4 mph7 km/h Southwest | Mostly Cloudy | |
| 6pm | 59°F15°C | 4 mph6 km/h Southwest | Partly Cloudy | |
| 7pm | 61°F16°C | 4 mph7 km/h Southwest | Partly Cloudy | |
| 8pm | 63°F17°C | 6 mph10 km/h Southwest | Partly Cloudy | |
| 9pm | 64°F18°C | 8 mph13 km/h West | Partly Cloudy | |
| 10pm | 63°F17°C | 9 mph15 km/h West | Partly Cloudy | |
| 11pm | 63°F17°C | 10 mph16 km/h West | Mostly Cloudy | |
| October 31 | ||||
| 12am | 61°F16°C | 10 mph16 km/h West | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| October 30 | 56°F13°C | 64°F18°C | 7 mph11 km/h from West | Mostly Cloudy | Partly Cloudy |
| October 31 | 54°F12°C | 67°F19°C | 4 mph6 km/h from Southwest | Mostly Clear | Mostly Clear |
| November 1 | 54°F12°C | 67°F19°C | 4 mph6 km/h from Southwest | Mostly Clear | Partly Cloudy |
| November 2 | 56°F13°C | 71°F22°C | 3 mph5 km/h from West | Mostly Clear | Mostly Clear |
| November 3 | 55°F13°C | 63°F17°C | 6 mph10 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| November 4 | 54°F12°C | 66°F19°C | 5 mph9 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
| November 5 | 56°F14°C | 63°F17°C | 12 mph19 km/h from South | Drizzle | Drizzle |
Yes
Low of 55°F13°C, High of 67°F20°CWind: 4 mph6 km/h
Precipitation: None