Yes

you do need a jacket based on the weather in Dacula, GA 30019, USA 1 second ago

Why? Because just cool enough for a jacket, but not warm enough to ditch it!
55°F13°C & Clear

Wind is 6 mph10 km/h from the West, gusting to 16 mph26 km/h
October 23
2am54°F12°C6 mph10 km/h WestClear
3am52°F11°C6 mph10 km/h NorthwestClear
4am51°F11°C6 mph9 km/h NorthwestClear
5am50°F10°C6 mph10 km/h NorthwestClear
6am49°F9°C6 mph10 km/h NorthwestClear
7am48°F9°C6 mph10 km/h NorthwestClear
8am47°F8°C6 mph10 km/h NorthwestClear
9am46°F8°C5 mph8 km/h NorthwestClear
10am46°F8°C5 mph8 km/h NorthwestClear
11am45°F7°C4 mph7 km/h NorthwestClear
12pm45°F7°C4 mph6 km/h NorthwestClear
1pm49°F9°C3 mph5 km/h NorthwestClear
DateLowHighWindDayNight
October 2250°F10°C70°F21°C6 mph10 km/h from WestClearClear
October 2344°F7°C73°F23°C6 mph9 km/h from WestClearMostly Clear
October 2446°F8°C71°F22°C3 mph6 km/h from NorthMostly ClearPartly Cloudy
October 2544°F7°C69°F21°C7 mph11 km/h from EastPartly CloudyMostly Cloudy
October 2648°F9°C62°F17°C10 mph16 km/h from EastDrizzleRain
October 2750°F10°C57°F14°C11 mph18 km/h from NortheastThunderstormsCloudy
October 2851°F11°C60°F15°C8 mph13 km/h from EastCloudyRain

Yes

Low of 45°F7°C, High of 73°F23°C
Wind: 6 mph9 km/h
Precipitation: None

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