No
you don't need a jacket based on the weather in San Marcos, TX, USA 1 second ago
75°F24°C & Mostly Clear
Wind is 6 mph10 km/h from the Southeast, gusting to 18 mph29 km/h
| October 18 | ||||
| 6am | 75°F24°C | 6 mph10 km/h Southeast | Mostly Clear | |
| 7am | 74°F23°C | 6 mph9 km/h Southeast | Mostly Clear | |
| 8am | 74°F23°C | 5 mph8 km/h South | Partly Cloudy | |
| 9am | 73°F23°C | 4 mph7 km/h South | Partly Cloudy | |
| 10am | 73°F23°C | 5 mph8 km/h South | Mostly Cloudy | |
| 11am | 74°F23°C | 7 mph11 km/h South | Mostly Cloudy | |
| 12pm | 73°F23°C | 6 mph10 km/h South | Mostly Cloudy | |
| 1pm | 74°F23°C | 6 mph10 km/h South | Mostly Cloudy | |
| 2pm | 75°F24°C | 9 mph14 km/h South | Mostly Cloudy | |
| 3pm | 78°F25°C | 10 mph17 km/h South | Partly Cloudy | |
| 4pm | 81°F27°C | 11 mph17 km/h Southwest | Mostly Clear | |
| 5pm | 84°F29°C | 10 mph16 km/h Southwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| October 18 | 73°F23°C | 92°F33°C | 9 mph14 km/h from Southwest | Partly Cloudy | Clear |
| October 19 | 64°F18°C | 85°F29°C | 13 mph22 km/h from Northeast | Clear | Clear |
| October 20 | 58°F14°C | 91°F33°C | 10 mph17 km/h from South | Mostly Clear | Mostly Clear |
| October 21 | 68°F20°C | 88°F31°C | 7 mph11 km/h from North | Mostly Clear | Mostly Clear |
| October 22 | 64°F18°C | 86°F30°C | 8 mph13 km/h from East | Mostly Clear | Partly Cloudy |
| October 23 | 66°F19°C | 86°F30°C | 11 mph17 km/h from South | Partly Cloudy | Mostly Clear |
| October 24 | 66°F19°C | 85°F29°C | 9 mph14 km/h from South | Partly Cloudy | Partly Cloudy |
No
Low of 64°F18°C, High of 85°F30°CWind: 13 mph22 km/h
Precipitation: None