Yes
you do need a jacket based on the weather in San Diego, CA, USA 1 second ago
Why? Because it's not very warm out!
54°F12°C & Mostly Cloudy
Wind is 3 mph5 km/h from the West, gusting to 7 mph12 km/h
| December 25 | ||||
| 3am | 53°F12°C | 3 mph5 km/h South | Partly Cloudy | |
| 4am | 53°F12°C | 4 mph6 km/h Southeast | Partly Cloudy | |
| 5am | 53°F11°C | 4 mph6 km/h Southeast | Partly Cloudy | |
| 6am | 52°F11°C | 3 mph5 km/h East | Partly Cloudy | |
| 7am | 52°F11°C | 3 mph6 km/h Northeast | Partly Cloudy | |
| 8am | 51°F11°C | 3 mph5 km/h Northeast | Partly Cloudy | |
| 9am | 51°F10°C | 3 mph5 km/h East | Partly Cloudy | |
| 10am | 50°F10°C | 4 mph6 km/h Southeast | Partly Cloudy | |
| 11am | 52°F11°C | 4 mph6 km/h Southeast | Mostly Clear | |
| 12pm | 56°F13°C | 4 mph6 km/h Southeast | Mostly Clear | |
| 1pm | 59°F15°C | 4 mph6 km/h South | Mostly Clear | |
| 2pm | 61°F16°C | 5 mph8 km/h Southwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| December 24 | 51°F11°C | 59°F15°C | 3 mph5 km/h from South | Cloudy | Partly Cloudy |
| December 25 | 50°F10°C | 63°F17°C | 5 mph8 km/h from West | Mostly Clear | Mostly Cloudy |
| December 26 | 48°F9°C | 64°F18°C | 4 mph6 km/h from Southwest | Partly Cloudy | Mostly Clear |
| December 27 | 47°F9°C | 64°F18°C | 4 mph7 km/h from West | Partly Cloudy | Mostly Cloudy |
| December 28 | 49°F10°C | 64°F18°C | 3 mph6 km/h from West | Mostly Cloudy | Mostly Cloudy |
| December 29 | 48°F9°C | 63°F17°C | 4 mph6 km/h from Northwest | Mostly Clear | Mostly Cloudy |
| December 30 | 49°F10°C | 63°F17°C | 4 mph7 km/h from Northwest | Mostly Clear | Partly Cloudy |
Yes
Low of 50°F10°C, High of 63°F17°CWind: 5 mph8 km/h
Precipitation: None