No

you don't need a jacket based on the weather in Marietta, GA, USA 1 second ago

79°F26°C & Clear

Wind is 6 mph9 km/h from the Northeast, gusting to 9 mph15 km/h
September 9
5pm79°F26°C6 mph10 km/h NortheastClear
6pm78°F25°C6 mph9 km/h NortheastClear
7pm76°F24°C5 mph8 km/h NortheastClear
8pm72°F22°C4 mph6 km/h EastClear
9pm70°F21°C5 mph8 km/h EastClear
10pm68°F20°C5 mph8 km/h EastClear
11pm66°F19°C6 mph9 km/h EastClear
September 10
12am65°F18°C5 mph8 km/h EastClear
1am64°F18°C5 mph8 km/h EastClear
2am62°F17°C5 mph7 km/h EastClear
3am61°F16°C5 mph7 km/h EastClear
4am60°F16°C4 mph7 km/h EastClear
DateLowHighWindDayNight
September 959°F15°C79°F26°C5 mph8 km/h from EastMostly ClearClear
September 1058°F14°C82°F28°C5 mph8 km/h from NorthClearClear
September 1160°F16°C83°F29°C4 mph6 km/h from NorthClearMostly Clear
September 1263°F17°C83°F28°C4 mph6 km/h from NortheastMostly ClearMostly Clear
September 1363°F17°C83°F28°C5 mph7 km/h from EastMostly ClearMostly Clear
September 1463°F17°C85°F30°C4 mph6 km/h from NorthClearClear
September 1565°F18°C87°F30°C3 mph6 km/h from NorthMostly ClearClear

Yes

Low of 58°F15°C, High of 82°F28°C
Wind: 5 mph8 km/h
Precipitation: None

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