Yes

you do need a jacket based on the weather in Marietta, GA, USA 1 second ago

Why? Because it's not very warm out!
53°F12°C & Clear

Wind is 2 mph4 km/h from the South, gusting to 6 mph9 km/h
November 24
8pm51°F11°C3 mph5 km/h SouthClear
9pm50°F10°C4 mph6 km/h SouthMostly Clear
10pm49°F9°C4 mph6 km/h SouthwestPartly Cloudy
11pm48°F9°C4 mph6 km/h SouthwestPartly Cloudy
November 25
12am47°F8°C4 mph6 km/h SouthwestMostly Clear
1am46°F8°C3 mph5 km/h SouthwestClear
2am45°F7°C3 mph5 km/h SouthwestClear
3am44°F7°C3 mph5 km/h SouthClear
4am44°F6°C3 mph5 km/h SouthClear
5am43°F6°C3 mph6 km/h SouthClear
6am43°F6°C3 mph5 km/h SouthwestMostly Clear
7am44°F7°C3 mph6 km/h SouthwestMostly Clear
DateLowHighWindDayNight
November 2436°F2°C66°F19°C3 mph4 km/h from WestClearMostly Clear
November 2543°F6°C70°F21°C6 mph10 km/h from SouthwestPartly CloudyDrizzle
November 2644°F7°C62°F17°C8 mph13 km/h from NorthwestPartly CloudyMostly Clear
November 2741°F5°C64°F18°C5 mph8 km/h from SoutheastMostly CloudyCloudy
November 2846°F8°C65°F18°C10 mph17 km/h from WestRainRain
November 2934°F1°C50°F10°C10 mph17 km/h from NorthwestMostly ClearMostly Clear
November 3029°F-2°C52°F11°C4 mph6 km/h from WestPartly CloudyMostly Clear

Yes

Low of 43°F6°C, High of 70°F21°C
Wind: 6 mph10 km/h
Precipitation: None

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