Yes
you do need a jacket based on the weather in San Francisco, CA, USA 28 minutes ago
Why? Because the cold's there, but it's just a reminder, not an invasion!
47°F8°C & Clear
Wind is 6 mph10 km/h from the East, gusting to 11 mph17 km/h
| January 8 | ||||
| 9am | 47°F8°C | 6 mph10 km/h Southeast | Partly Cloudy | |
| 10am | 47°F8°C | 6 mph9 km/h Southeast | Mostly Clear | |
| 11am | 47°F8°C | 6 mph9 km/h Southeast | Clear | |
| 12pm | 48°F9°C | 4 mph7 km/h East | Clear | |
| 1pm | 52°F11°C | 4 mph6 km/h East | Clear | |
| 2pm | 55°F13°C | 3 mph5 km/h East | Clear | |
| 3pm | 58°F15°C | 3 mph4 km/h Northeast | Clear | |
| 4pm | 60°F16°C | 3 mph4 km/h Northeast | Clear | |
| 5pm | 61°F16°C | 3 mph5 km/h Northwest | Clear | |
| 6pm | 61°F16°C | 4 mph7 km/h West | Clear | |
| 7pm | 60°F15°C | 5 mph8 km/h West | Clear | |
| 8pm | 57°F14°C | 5 mph8 km/h West | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| January 8 | 46°F8°C | 61°F16°C | 4 mph6 km/h from North | Clear | Clear |
| January 9 | 46°F8°C | 61°F16°C | 3 mph5 km/h from North | Clear | Clear |
| January 10 | 45°F7°C | 59°F15°C | 4 mph6 km/h from West | Mostly Clear | Partly Cloudy |
| January 11 | 44°F7°C | 63°F17°C | 8 mph12 km/h from North | Clear | Clear |
| January 12 | 45°F7°C | 60°F16°C | 3 mph5 km/h from West | Clear | Clear |
| January 13 | 46°F8°C | 61°F16°C | 9 mph14 km/h from Northeast | Clear | Clear |
| January 14 | 45°F7°C | 61°F16°C | 6 mph10 km/h from Northeast | Clear | Mostly Clear |
Yes
Low of 46°F8°C, High of 61°F16°CWind: 3 mph5 km/h
Precipitation: None