Yes

you do need a jacket based on the weather in San Antonio, TX 78253, USA 1 second ago

Why? Because it's not very warm out and it's really really huffing out there!
59°F15°C & Windy

Wind is 19 mph30 km/h from the Northeast, gusting to 39 mph62 km/h
November 9
12pm58°F15°C20 mph31 km/h NortheastWindy
1pm58°F14°C20 mph32 km/h NortheastWindy
2pm59°F15°C20 mph32 km/h NortheastWindy
3pm61°F16°C22 mph35 km/h NortheastWindy
4pm64°F18°C21 mph35 km/h NortheastWindy
5pm66°F19°C21 mph33 km/h NortheastWindy
6pm68°F20°C20 mph32 km/h NortheastWindy
7pm70°F21°C17 mph27 km/h NortheastWindy
8pm71°F22°C16 mph26 km/h NorthWindy
9pm71°F22°C15 mph24 km/h NorthWindy
10pm70°F21°C14 mph23 km/h NorthClear
11pm67°F20°C12 mph20 km/h NorthClear
DateLowHighWindDayNight
November 952°F11°C71°F22°C17 mph27 km/h from NortheastWindyClear
November 1043°F6°C65°F18°C6 mph9 km/h from NortheastClearClear
November 1141°F5°C72°F22°C9 mph15 km/h from SouthClearClear
November 1253°F11°C80°F27°C6 mph10 km/h from SouthClearClear
November 1359°F15°C82°F28°C9 mph14 km/h from SouthClearMostly Clear
November 1462°F17°C81°F27°C12 mph19 km/h from SouthMostly ClearMostly Cloudy
November 1565°F18°C81°F27°C13 mph21 km/h from SouthPartly CloudyPartly Cloudy

Yes

Low of 44°F7°C, High of 64°F18°C
Wind: 6 mph9 km/h
Precipitation: None

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