Yes

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

Why? Because the wind is harsh and biting!
60°F15°C & Windy

Wind is 16 mph25 km/h from the North, gusting to 22 mph36 km/h
April 6
6pm60°F16°C15 mph25 km/h NorthWindy
7pm60°F15°C14 mph23 km/h NorthClear
8pm58°F14°C13 mph20 km/h NorthClear
9pm55°F13°C9 mph15 km/h NorthClear
10pm53°F12°C7 mph11 km/h NorthClear
11pm51°F10°C6 mph10 km/h NorthClear
April 7
12am49°F9°C5 mph9 km/h NorthClear
1am48°F9°C5 mph7 km/h NorthMostly Clear
2am47°F8°C3 mph5 km/h NorthwestMostly Clear
3am46°F8°C2 mph4 km/h NorthwestClear
4am45°F7°C3 mph5 km/h NorthwestClear
5am44°F6°C3 mph6 km/h NorthwestClear
DateLowHighWindDayNight
April 643°F6°C60°F16°C10 mph17 km/h from NorthPartly CloudyClear
April 742°F5°C69°F21°C7 mph11 km/h from NorthClearClear
April 847°F9°C76°F24°C5 mph8 km/h from SouthClearClear
April 952°F11°C82°F28°C10 mph16 km/h from SouthClearClear
April 1056°F13°C86°F30°C6 mph9 km/h from SouthClearClear
April 1161°F16°C85°F29°C6 mph9 km/h from EastClearClear
April 1258°F15°C84°F29°C9 mph14 km/h from SouthClearMostly Clear

Yes

Low of 42°F6°C, High of 69°F21°C
Wind: 7 mph11 km/h
Precipitation: None

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