Yes

you do need a jacket based on the weather in Baton Rouge, LA, USA 1 second ago

Why? Because it's so windy, your hat is now someone else's problem, two cities away!
68°F20°C & Cloudy

Wind is 10 mph16 km/h from the South, gusting to 26 mph42 km/h
December 27
4am67°F20°C10 mph15 km/h SouthDrizzle
5am67°F19°C9 mph15 km/h SouthRain
6am66°F19°C7 mph12 km/h SouthRain
7am65°F18°C6 mph10 km/h SouthwestRain
8am65°F18°C5 mph9 km/h SouthRain
9am65°F18°C6 mph10 km/h SouthRain
10am66°F19°C8 mph12 km/h SouthRain
11am68°F20°C8 mph14 km/h SouthwestCloudy
12pm71°F21°C9 mph15 km/h SouthwestCloudy
1pm72°F22°C9 mph15 km/h SouthwestCloudy
2pm74°F23°C9 mph15 km/h SouthwestCloudy
3pm75°F24°C9 mph14 km/h SouthwestMostly Cloudy
DateLowHighWindDayNight
December 2763°F17°C75°F24°C7 mph12 km/h from SouthwestRainMostly Cloudy
December 2863°F17°C73°F23°C9 mph14 km/h from SouthThunderstormsThunderstorms
December 2953°F12°C68°F20°C6 mph10 km/h from NorthwestPartly CloudyMostly Clear
December 3049°F9°C71°F22°C7 mph11 km/h from SouthMostly ClearMostly Clear
December 3153°F12°C71°F22°C7 mph12 km/h from NorthwestMostly ClearPartly Cloudy
January 144°F6°C59°F15°C7 mph12 km/h from NorthPartly CloudyPartly Cloudy
January 238°F3°C55°F13°C8 mph13 km/h from NorthMostly ClearClear

No

Low of 63°F17°C, High of 73°F23°C
Wind: 9 mph14 km/h
Precipitation: 60% rain

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