Yes
you do need a jacket based on the weather in San Diego, CA, USA 1 second ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it!
54°F12°C & Clear
Wind is 4 mph7 km/h from the Northeast, gusting to 7 mph11 km/h
| January 10 | ||||
| 11pm | 54°F12°C | 4 mph7 km/h Northeast | Clear | |
| January 11 | ||||
| 12am | 53°F11°C | 4 mph6 km/h Northeast | Clear | |
| 1am | 52°F11°C | 4 mph6 km/h Northeast | Clear | |
| 2am | 50°F10°C | 3 mph5 km/h North | Clear | |
| 3am | 48°F9°C | 3 mph5 km/h Northeast | Clear | |
| 4am | 48°F9°C | 3 mph4 km/h Northeast | Clear | |
| 5am | 47°F9°C | 3 mph4 km/h East | Clear | |
| 6am | 47°F8°C | 3 mph5 km/h East | Clear | |
| 7am | 47°F8°C | 4 mph6 km/h East | Clear | |
| 8am | 46°F8°C | 4 mph6 km/h East | Clear | |
| 9am | 46°F8°C | 4 mph7 km/h East | Clear | |
| 10am | 46°F8°C | 5 mph8 km/h East | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| January 10 | 48°F9°C | 66°F19°C | 5 mph8 km/h from West | Clear | Clear |
| January 11 | 46°F8°C | 64°F18°C | 4 mph7 km/h from West | Clear | Clear |
| January 12 | 44°F7°C | 64°F18°C | 4 mph7 km/h from Northwest | Clear | Clear |
| January 13 | 42°F5°C | 63°F17°C | 4 mph6 km/h from Southwest | Clear | Clear |
| January 14 | 44°F7°C | 65°F18°C | 4 mph7 km/h from North | Clear | Clear |
| January 15 | 44°F6°C | 66°F19°C | 4 mph6 km/h from West | Clear | Mostly Clear |
| January 16 | 45°F7°C | 62°F17°C | 4 mph6 km/h from West | Mostly Clear | Partly Cloudy |
Yes
Low of 46°F8°C, High of 64°F18°CWind: 4 mph7 km/h
Precipitation: None