Yes
you do need a jacket based on the weather in San Francisco, CA 94123, USA 1 second ago
Why? Because there's a refreshing nip in the air!
45°F7°C & Mostly Clear
Wind is 6 mph9 km/h from the North, gusting to 8 mph13 km/h
| January 22 | ||||
| 5am | 44°F7°C | 6 mph9 km/h North | Clear | |
| 6am | 44°F7°C | 6 mph9 km/h North | Clear | |
| 7am | 43°F6°C | 6 mph9 km/h North | Clear | |
| 8am | 43°F6°C | 5 mph8 km/h Northeast | Clear | |
| 9am | 43°F6°C | 3 mph6 km/h Northeast | Clear | |
| 10am | 43°F6°C | 3 mph5 km/h East | Clear | |
| 11am | 44°F6°C | 3 mph5 km/h East | Clear | |
| 12pm | 45°F7°C | 3 mph5 km/h East | Clear | |
| 1pm | 49°F9°C | 3 mph4 km/h Northeast | Clear | |
| 2pm | 52°F11°C | 2 mph4 km/h Northeast | Clear | |
| 3pm | 56°F13°C | 3 mph4 km/h Northeast | Clear | |
| 4pm | 58°F14°C | 2 mph4 km/h North | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| January 22 | 43°F6°C | 61°F16°C | 3 mph5 km/h from North | Clear | Clear |
| January 23 | 46°F8°C | 63°F17°C | 7 mph11 km/h from Northeast | Clear | Mostly Clear |
| January 24 | 45°F7°C | 59°F15°C | 4 mph7 km/h from Northwest | Mostly Cloudy | Partly Cloudy |
| January 25 | 44°F7°C | 55°F13°C | 7 mph12 km/h from North | Partly Cloudy | Mostly Clear |
| January 26 | 42°F6°C | 56°F13°C | 9 mph15 km/h from Northeast | Clear | Clear |
| January 27 | 43°F6°C | 57°F14°C | 6 mph9 km/h from North | Clear | Clear |
| January 28 | 43°F6°C | 56°F13°C | 4 mph7 km/h from West | Mostly Clear | Mostly Clear |
Yes
Low of 46°F8°C, High of 64°F18°CWind: 7 mph11 km/h
Precipitation: None