No
you don't need a jacket based on the weather in San Diego, CA, USA 40 seconds ago
70°F21°C & Clear
Wind is 2 mph4 km/h from the Northwest, gusting to 4 mph6 km/h
| October 17 | ||||
| 6pm | 72°F22°C | 4 mph7 km/h West | Clear | |
| 7pm | 74°F23°C | 7 mph11 km/h West | Clear | |
| 8pm | 74°F24°C | 8 mph13 km/h Northwest | Clear | |
| 9pm | 75°F24°C | 9 mph15 km/h Northwest | Clear | |
| 10pm | 75°F24°C | 9 mph15 km/h Northwest | Clear | |
| 11pm | 74°F23°C | 8 mph13 km/h Northwest | Clear | |
| October 18 | ||||
| 12am | 73°F23°C | 6 mph10 km/h Northwest | Clear | |
| 1am | 71°F21°C | 4 mph7 km/h Northwest | Clear | |
| 2am | 68°F20°C | 3 mph5 km/h Northwest | Clear | |
| 3am | 66°F19°C | 3 mph4 km/h Northwest | Clear | |
| 4am | 65°F18°C | 2 mph3 km/h Northwest | Clear | |
| 5am | 63°F17°C | 2 mph4 km/h North | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| October 17 | 55°F13°C | 75°F24°C | 5 mph9 km/h from Northwest | Clear | Clear |
| October 18 | 55°F13°C | 79°F26°C | 4 mph7 km/h from West | Clear | Partly Cloudy |
| October 19 | 55°F13°C | 78°F26°C | 5 mph7 km/h from West | Mostly Clear | Clear |
| October 20 | 57°F14°C | 77°F25°C | 5 mph8 km/h from Northwest | Clear | Mostly Clear |
| October 21 | 58°F14°C | 71°F22°C | 5 mph8 km/h from Southwest | Mostly Clear | Partly Cloudy |
| October 22 | 58°F15°C | 71°F22°C | 6 mph9 km/h from Northwest | Mostly Clear | Partly Cloudy |
| October 23 | 57°F14°C | 72°F22°C | 6 mph9 km/h from Northwest | Mostly Clear | Mostly Cloudy |
Yes
Low of 55°F13°C, High of 79°F26°CWind: 4 mph7 km/h
Precipitation: None