Yes

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

Why? Because it's colder than a polar bear's pyjamas!
23°F-5°C & Clear

Wind is 4 mph6 km/h from the West, gusting to 10 mph16 km/h
January 24
5am22°F-5°C4 mph6 km/h WestClear
6am22°F-6°C3 mph5 km/h NorthwestClear
7am22°F-6°C3 mph5 km/h WestClear
8am22°F-5°C3 mph5 km/h WestMostly Clear
9am27°F-3°C3 mph6 km/h WestMostly Clear
10am32°F0°C5 mph8 km/h WestClear
11am37°F3°C5 mph7 km/h WestMostly Clear
12pm40°F5°C7 mph11 km/h WestMostly Clear
1pm42°F6°C9 mph14 km/h WestMostly Clear
2pm43°F6°C10 mph17 km/h WestMostly Cloudy
3pm43°F6°C11 mph18 km/h WestMostly Cloudy
4pm43°F6°C11 mph17 km/h WestMostly Cloudy
DateLowHighWindDayNight
January 2422°F-6°C43°F6°C7 mph11 km/h from WestMostly ClearClear
January 2525°F-4°C47°F8°C4 mph7 km/h from WestMostly ClearPartly Cloudy
January 2628°F-2°C48°F9°C5 mph8 km/h from WestMostly CloudyRain
January 2738°F3°C47°F8°C4 mph6 km/h from SouthwestDrizzleMostly Cloudy
January 2837°F3°C56°F13°C9 mph14 km/h from WestMostly ClearPartly Cloudy
January 2941°F5°C56°F13°C10 mph16 km/h from WestDrizzleMostly Cloudy
January 3037°F3°C50°F10°C9 mph15 km/h from NorthwestMostly CloudyCloudy

Yes

Low of 25°F-4°C, High of 46°F8°C
Wind: 4 mph7 km/h
Precipitation: None

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