Yes
you do need a jacket based on the weather in Terminal 3-Lower Level, San Francisco International Airport (SFO), San Francisco, CA 94128, USA 1 second ago
Why? Because it's cold enough that makes you wish you had a hat, but you're still too proud to admit it!
49°F10°C & Mostly Clear
Wind is 2 mph3 km/h from the Northeast, gusting to 4 mph6 km/h
| January 23 | ||||
| 3am | 49°F9°C | 4 mph7 km/h South | Clear | |
| 4am | 49°F9°C | 4 mph7 km/h South | Clear | |
| 5am | 49°F9°C | 2 mph3 km/h Northeast | Clear | |
| 6am | 47°F9°C | 4 mph6 km/h Northeast | Clear | |
| 7am | 47°F8°C | 3 mph5 km/h Northeast | Clear | |
| 8am | 47°F8°C | 3 mph5 km/h East | Clear | |
| 9am | 46°F8°C | 5 mph7 km/h East | Clear | |
| 10am | 46°F8°C | 5 mph8 km/h East | Clear | |
| 11am | 47°F8°C | 5 mph8 km/h East | Clear | |
| 12pm | 49°F10°C | 5 mph8 km/h East | Clear | |
| 1pm | 53°F11°C | 5 mph8 km/h East | Clear | |
| 2pm | 56°F13°C | 4 mph7 km/h East | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| January 22 | 41°F5°C | 64°F18°C | 2 mph3 km/h from East | Clear | Clear |
| January 23 | 46°F8°C | 63°F17°C | 4 mph6 km/h from East | Clear | Clear |
| January 24 | 45°F7°C | 59°F15°C | 4 mph6 km/h from Northwest | Mostly Cloudy | Partly Cloudy |
| January 25 | 44°F7°C | 56°F14°C | 6 mph9 km/h from North | Mostly Clear | Mostly Clear |
| January 26 | 44°F6°C | 56°F14°C | 9 mph14 km/h from Northeast | Mostly Clear | Clear |
| January 27 | 43°F6°C | 59°F15°C | 4 mph7 km/h from North | Clear | Mostly Clear |
| January 28 | 43°F6°C | 58°F14°C | 4 mph6 km/h from Northwest | Mostly Clear | Mostly Clear |
Yes
Low of 46°F8°C, High of 63°F17°CWind: 4 mph6 km/h
Precipitation: None