No
you don't need a jacket based on the weather in San Marcos, CA, USA 1 second ago
68°F20°C & Mostly Clear
Wind is 6 mph9 km/h from the West, gusting to 7 mph12 km/h
| June 19 | ||||
| 10pm | 68°F20°C | 5 mph9 km/h West | Mostly Clear | |
| 11pm | 65°F18°C | 4 mph7 km/h West | Clear | |
| June 20 | ||||
| 12am | 63°F17°C | 4 mph7 km/h West | Mostly Clear | |
| 1am | 62°F17°C | 1 mph2 km/h West | Mostly Clear | |
| 2am | 61°F16°C | 2 mph3 km/h West | Mostly Clear | |
| 3am | 61°F16°C | 2 mph3 km/h West | Mostly Clear | |
| 4am | 60°F16°C | 2 mph3 km/h Southwest | Mostly Clear | |
| 5am | 60°F16°C | 2 mph3 km/h South | Mostly Clear | |
| 6am | 59°F15°C | 2 mph3 km/h Southeast | Partly Cloudy | |
| 7am | 59°F15°C | 2 mph4 km/h Southeast | Partly Cloudy | |
| 8am | 59°F15°C | 2 mph4 km/h Southeast | Partly Cloudy | |
| 9am | 58°F15°C | 3 mph4 km/h Southeast | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 19 | 61°F16°C | 77°F25°C | 4 mph6 km/h from West | Partly Cloudy | Mostly Clear |
| June 20 | 58°F15°C | 75°F24°C | 7 mph11 km/h from Southwest | Mostly Clear | Partly Cloudy |
| June 21 | 59°F15°C | 72°F22°C | 9 mph14 km/h from Southwest | Mostly Clear | Partly Cloudy |
| June 22 | 59°F15°C | 74°F24°C | 7 mph11 km/h from West | Clear | Clear |
| June 23 | 57°F14°C | 74°F23°C | 7 mph11 km/h from Southwest | Clear | Mostly Clear |
| June 24 | 56°F13°C | 74°F23°C | 6 mph10 km/h from Southwest | Mostly Clear | Mostly Clear |
| June 25 | 58°F14°C | 75°F24°C | 6 mph10 km/h from West | Mostly Clear | Mostly Clear |
Yes
Low of 58°F15°C, High of 75°F24°CWind: 7 mph11 km/h
Precipitation: None