Yes
you do need a jacket based on the weather in San Diego, CA, USA 1 second ago
Why? Because the cold's there, but it's just a reminder, not an invasion!
48°F9°C & Mostly Cloudy
Wind is 3 mph5 km/h from the Northeast, gusting to 4 mph7 km/h
| December 17 | ||||
| 5am | 47°F9°C | 3 mph5 km/h Northeast | Partly Cloudy | |
| 6am | 47°F8°C | 3 mph5 km/h Northeast | Partly Cloudy | |
| 7am | 46°F8°C | 3 mph6 km/h Northeast | Mostly Cloudy | |
| 8am | 46°F8°C | 4 mph6 km/h Northeast | Partly Cloudy | |
| 9am | 46°F8°C | 3 mph5 km/h Northeast | Partly Cloudy | |
| 10am | 45°F7°C | 3 mph4 km/h Northeast | Partly Cloudy | |
| 11am | 48°F9°C | 3 mph4 km/h Northeast | Mostly Clear | |
| 12pm | 54°F12°C | 2 mph3 km/h North | Clear | |
| 1pm | 59°F15°C | 3 mph4 km/h Northwest | Clear | |
| 2pm | 63°F17°C | 4 mph6 km/h Northwest | Clear | |
| 3pm | 65°F19°C | 5 mph8 km/h Northwest | Clear | |
| 4pm | 66°F19°C | 6 mph10 km/h Northwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| December 17 | 45°F7°C | 67°F19°C | 4 mph6 km/h from Northwest | Mostly Clear | Clear |
| December 18 | 49°F10°C | 72°F22°C | 3 mph5 km/h from West | Clear | Clear |
| December 19 | 50°F10°C | 69°F21°C | 3 mph5 km/h from Southwest | Partly Cloudy | Mostly Clear |
| December 20 | 48°F9°C | 68°F20°C | 3 mph5 km/h from West | Mostly Clear | Partly Cloudy |
| December 21 | 47°F8°C | 65°F18°C | 6 mph9 km/h from Northwest | Mostly Clear | Mostly Cloudy |
| December 22 | 49°F9°C | 64°F18°C | 4 mph6 km/h from Northwest | Mostly Cloudy | Mostly Cloudy |
| December 23 | 54°F12°C | 64°F18°C | 4 mph7 km/h from Northwest | Partly Cloudy | Partly Cloudy |
Yes
Low of 49°F10°C, High of 73°F23°CWind: 3 mph5 km/h
Precipitation: None