No
you don't need a jacket based on the weather in San Marcos, CA, USA 1 second ago
63°F17°C & Mostly Cloudy
Wind is 2 mph4 km/h from the Southwest, gusting to 7 mph12 km/h
| November 4 | ||||
| 6pm | 66°F19°C | 4 mph7 km/h Southwest | Mostly Clear | |
| 7pm | 70°F21°C | 5 mph8 km/h Southwest | Clear | |
| 8pm | 71°F22°C | 6 mph10 km/h Southwest | Clear | |
| 9pm | 72°F22°C | 7 mph11 km/h West | Clear | |
| 10pm | 72°F22°C | 7 mph11 km/h West | Clear | |
| 11pm | 70°F21°C | 6 mph10 km/h West | Clear | |
| November 5 | ||||
| 12am | 69°F20°C | 5 mph7 km/h West | Clear | |
| 1am | 65°F18°C | 4 mph6 km/h West | Clear | |
| 2am | 62°F17°C | 2 mph4 km/h West | Mostly Clear | |
| 3am | 60°F16°C | 2 mph3 km/h Southwest | Mostly Clear | |
| 4am | 59°F15°C | 2 mph3 km/h East | Mostly Clear | |
| 5am | 58°F14°C | 2 mph3 km/h East | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| November 4 | 53°F12°C | 72°F22°C | 4 mph7 km/h from Southwest | Mostly Clear | Partly Cloudy |
| November 5 | 53°F12°C | 69°F20°C | 5 mph7 km/h from West | Partly Cloudy | Mostly Clear |
| November 6 | 51°F11°C | 70°F21°C | 5 mph8 km/h from West | Mostly Clear | Mostly Clear |
| November 7 | 54°F12°C | 74°F23°C | 4 mph6 km/h from West | Clear | Clear |
| November 8 | 55°F13°C | 77°F25°C | 4 mph6 km/h from West | Clear | Clear |
| November 9 | 57°F14°C | 78°F26°C | 3 mph5 km/h from West | Clear | Mostly Clear |
| November 10 | 58°F15°C | 79°F26°C | 3 mph5 km/h from Southwest | Partly Cloudy | Partly Cloudy |
Yes
Low of 53°F12°C, High of 69°F21°CWind: 5 mph7 km/h
Precipitation: None