Yes
you do need a jacket based on the weather in San Francisco, CA, USA 1 second ago
Why? Because it's pretty chilly!
53°F12°C & Mostly Clear
Wind is 5 mph8 km/h from the Northwest, gusting to 12 mph20 km/h
| February 8 | ||||
| 9pm | 51°F11°C | 6 mph10 km/h Northwest | Clear | |
| 10pm | 49°F10°C | 6 mph10 km/h Northwest | Clear | |
| 11pm | 48°F9°C | 6 mph9 km/h Northwest | Clear | |
| February 9 | ||||
| 12am | 46°F8°C | 5 mph9 km/h Northwest | Clear | |
| 1am | 46°F8°C | 5 mph8 km/h North | Clear | |
| 2am | 45°F7°C | 5 mph8 km/h North | Clear | |
| 3am | 44°F7°C | 4 mph7 km/h North | Clear | |
| 4am | 44°F6°C | 3 mph5 km/h North | Clear | |
| 5am | 43°F6°C | 4 mph6 km/h North | Clear | |
| 6am | 42°F6°C | 3 mph5 km/h North | Clear | |
| 7am | 42°F6°C | 3 mph5 km/h North | Clear | |
| 8am | 41°F5°C | 3 mph6 km/h Northeast | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| February 8 | 41°F5°C | 55°F13°C | 5 mph7 km/h from Northwest | Clear | Clear |
| February 9 | 41°F5°C | 55°F13°C | 4 mph7 km/h from Northwest | Clear | Clear |
| February 10 | 41°F5°C | 55°F13°C | 4 mph6 km/h from West | Partly Cloudy | Mostly Clear |
| February 11 | 43°F6°C | 53°F12°C | 9 mph14 km/h from West | Partly Cloudy | Mostly Cloudy |
| February 12 | 42°F5°C | 51°F11°C | 5 mph8 km/h from East | Cloudy | Rain |
| February 13 | 46°F8°C | 57°F14°C | 15 mph24 km/h from Southwest | Rain | Rain |
| February 14 | 46°F8°C | 54°F12°C | 12 mph20 km/h from West | Rain | Mostly Clear |
Yes
Low of 41°F5°C, High of 55°F13°CWind: 4 mph7 km/h
Precipitation: None