Yes

you do need a jacket based on the weather in Atlanta (Downtown Atlanta), Georgia, United States 1 second ago

Why? Because it's FREEZING out there!
23°F-5°C & Clear

Wind is 8 mph13 km/h from the Northwest, gusting to 18 mph29 km/h
January 20
9pm23°F-5°C8 mph13 km/h NorthwestClear
10pm21°F-6°C7 mph11 km/h NorthwestClear
11pm21°F-6°C6 mph9 km/h NorthwestClear
January 21
12am20°F-7°C6 mph9 km/h NorthwestMostly Clear
1am19°F-7°C6 mph9 km/h NorthwestClear
2am19°F-7°C5 mph9 km/h NorthPartly Cloudy
3am19°F-7°C5 mph9 km/h NorthMostly Cloudy
4am20°F-7°C6 mph9 km/h NorthMostly Cloudy
5am20°F-6°C5 mph8 km/h NorthMostly Cloudy
6am21°F-6°C5 mph8 km/h NorthMostly Cloudy
7am22°F-6°C5 mph8 km/h NorthMostly Cloudy
8am22°F-5°C5 mph8 km/h NorthCloudy
DateLowHighWindDayNight
January 2017°F-8°C30°F-1°C7 mph11 km/h from NorthwestClearMostly Clear
January 2119°F-7°C31°F-0°C6 mph10 km/h from NorthwestCloudyMostly Clear
January 2215°F-9°C38°F3°C4 mph7 km/h from EastClearPartly Cloudy
January 2322°F-5°C40°F4°C3 mph5 km/h from WestCloudyMostly Clear
January 2426°F-3°C40°F4°C7 mph12 km/h from NorthwestPartly CloudyMostly Clear
January 2522°F-5°C47°F8°C3 mph5 km/h from WestMostly ClearPartly Cloudy
January 2628°F-2°C47°F8°C3 mph4 km/h from SouthwestMostly CloudyDrizzle

Yes

Low of 19°F-8°C, High of 31°F-1°C
Wind: 6 mph10 km/h
Precipitation: None

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