Yes

you do need a jacket based on the weather in Nashville, TN 37206, USA 1 second ago

Why? Because it's not very warm out.
52°F11°C & Clear

Wind is 5 mph8 km/h from the SW, gusting to 14 mph22 km/h
March 29
11am57°F14°C6 mph10 km/h SWClear
12pm62°F17°C7 mph11 km/h SWClear
1pm66°F19°C7 mph12 km/h SWClear
2pm68°F20°C7 mph12 km/h SWClear
3pm70°F21°C8 mph13 km/h SWClear
4pm71°F22°C8 mph14 km/h SWClear
5pm71°F22°C9 mph14 km/h SWMostly Clear
6pm70°F21°C8 mph13 km/h SWPartly Cloudy
7pm67°F20°C7 mph12 km/h SMostly Cloudy
8pm63°F17°C6 mph10 km/h SMostly Cloudy
9pm60°F16°C6 mph10 km/h SMostly Cloudy
10pm58°F15°C6 mph10 km/h SCloudy
DateLowHighWindDayNight
March 2938°F3°C71°F22°C7 mph11 km/h from SWMostly ClearMostly Cloudy
March 3052°F11°C76°F24°C12 mph19 km/h from SWMostly ClearMostly Cloudy
March 3159°F15°C78°F26°C11 mph17 km/h from SWMostly CloudyCloudy
April 164°F18°C79°F26°C10 mph17 km/h from SWCloudyCloudy
April 252°F11°C77°F25°C12 mph20 km/h from SWRainRain
April 342°F6°C55°F13°C14 mph22 km/h from NWMostly CloudyMostly Clear
April 438°F3°C59°F15°C7 mph12 km/h from NWMostly ClearClear

Yes

Low of 52°F11°C, High of 76°F25°C
Wind: 12 mph19 km/h
Precipitation: None

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