Yes
you do need a jacket based on the weather in San Francisco, CA, USA 1 second ago
Why? Because it's so gusty, you’re basically doing accidental parkour!
60°F16°C & Mostly Cloudy
Wind is 11 mph18 km/h from the West, gusting to 19 mph31 km/h
| October 31 | ||||
| 1am | 60°F16°C | 11 mph18 km/h West | Cloudy | |
| 2am | 58°F15°C | 10 mph15 km/h West | Cloudy | |
| 3am | 57°F14°C | 8 mph14 km/h West | Cloudy | |
| 4am | 56°F14°C | 7 mph11 km/h West | Cloudy | |
| 5am | 56°F13°C | 7 mph11 km/h West | Cloudy | |
| 6am | 56°F13°C | 6 mph10 km/h West | Partly Cloudy | |
| 7am | 55°F13°C | 4 mph6 km/h West | Partly Cloudy | |
| 8am | 55°F13°C | 3 mph5 km/h Southwest | Partly Cloudy | |
| 9am | 55°F13°C | 3 mph5 km/h Southwest | Partly Cloudy | |
| 10am | 54°F12°C | 3 mph5 km/h Southwest | Partly Cloudy | |
| 11am | 54°F12°C | 2 mph4 km/h Southwest | Partly Cloudy | |
| 12pm | 54°F12°C | 2 mph3 km/h Southwest | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night | 
|---|---|---|---|---|---|
| October 30 | 55°F13°C | 63°F17°C | 6 mph9 km/h from West | Mostly Cloudy | Partly Cloudy | 
| October 31 | 53°F12°C | 66°F19°C | 4 mph7 km/h from West | Partly Cloudy | Mostly Clear | 
| November 1 | 54°F12°C | 69°F20°C | 4 mph6 km/h from West | Mostly Clear | Partly Cloudy | 
| November 2 | 56°F13°C | 69°F21°C | 4 mph7 km/h from West | Partly Cloudy | Partly Cloudy | 
| November 3 | 54°F12°C | 63°F17°C | 6 mph10 km/h from Southwest | Mostly Cloudy | Mostly Cloudy | 
| November 4 | 54°F12°C | 68°F20°C | 6 mph10 km/h from South | Mostly Cloudy | Drizzle | 
| November 5 | 54°F12°C | 64°F18°C | 16 mph25 km/h from South | Rain | Drizzle | 
Yes
Low of 53°F12°C, High of 66°F19°CWind: 4 mph7 km/h
Precipitation: None
