No
you don't need a jacket based on the weather in San Antonio, TX 78209, USA 1 second ago
63°F17°C & Clear
Wind is 9 mph15 km/h from the North, gusting to 14 mph22 km/h
| January 18 | ||||
| 3pm | 64°F18°C | 9 mph15 km/h North | Clear | |
| 4pm | 65°F18°C | 9 mph14 km/h North | Clear | |
| 5pm | 65°F18°C | 9 mph15 km/h North | Clear | |
| 6pm | 63°F17°C | 9 mph14 km/h North | Clear | |
| 7pm | 59°F15°C | 8 mph12 km/h North | Clear | |
| 8pm | 56°F13°C | 8 mph12 km/h North | Clear | |
| 9pm | 53°F12°C | 10 mph17 km/h North | Clear | |
| 10pm | 51°F11°C | 12 mph19 km/h Northeast | Clear | |
| 11pm | 49°F9°C | 13 mph21 km/h Northeast | Clear | |
| January 19 | ||||
| 12am | 46°F8°C | 14 mph22 km/h Northeast | Clear | |
| 1am | 44°F7°C | 14 mph22 km/h Northeast | Clear | |
| 2am | 42°F5°C | 15 mph25 km/h North | Windy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| January 18 | 44°F7°C | 65°F18°C | 7 mph12 km/h from North | Clear | Clear |
| January 19 | 30°F-1°C | 47°F8°C | 12 mph19 km/h from North | Clear | Clear |
| January 20 | 26°F-4°C | 39°F4°C | 11 mph17 km/h from Northeast | Mostly Cloudy | Snow |
| January 21 | 26°F-4°C | 38°F3°C | 12 mph19 km/h from North | Mostly Cloudy | Clear |
| January 22 | 22°F-6°C | 47°F8°C | 6 mph9 km/h from South | Partly Cloudy | Partly Cloudy |
| January 23 | 32°F-0°C | 56°F14°C | 7 mph11 km/h from Northeast | Partly Cloudy | Mostly Clear |
| January 24 | 32°F-0°C | 55°F13°C | 8 mph13 km/h from North | Mostly Clear | Partly Cloudy |
Yes
Low of 30°F-1°C, High of 46°F8°CWind: 12 mph19 km/h
Precipitation: None