Yes

you do need a jacket based on the weather in Spartanburg, SC, USA 1 second ago

Why? Because the temperature has dropped below freezing!
26°F-3°C & Clear

Wind is 4 mph7 km/h from the North, gusting to 11 mph18 km/h
January 8
7am26°F-4°C5 mph8 km/h NorthClear
8am26°F-3°C4 mph6 km/h NorthClear
9am29°F-2°C3 mph5 km/h NorthClear
10am33°F0°C3 mph5 km/h NortheastClear
11am36°F2°C3 mph4 km/h NorthClear
12pm39°F4°C2 mph4 km/h WestClear
1pm41°F5°C3 mph6 km/h WestClear
2pm42°F6°C5 mph8 km/h WestClear
3pm43°F6°C5 mph9 km/h WestClear
4pm43°F6°C6 mph9 km/h WestClear
5pm41°F5°C5 mph8 km/h WestMostly Clear
6pm37°F3°C8 mph12 km/h NorthwestMostly Clear
DateLowHighWindDayNight
January 825°F-4°C43°F6°C5 mph7 km/h from NorthwestClearClear
January 922°F-6°C42°F6°C7 mph11 km/h from NorthwestClearMostly Clear
January 1025°F-4°C38°F3°C4 mph6 km/h from SouthSnowSnow
January 1128°F-2°C44°F7°C8 mph13 km/h from NorthwestMostly ClearClear
January 1224°F-4°C44°F6°C3 mph6 km/h from SouthwestMostly ClearMostly Clear
January 1327°F-3°C51°F11°C5 mph8 km/h from WestClearClear
January 1428°F-2°C44°F7°C7 mph11 km/h from NorthwestMostly ClearPartly Cloudy

Yes

Low of 22°F-6°C, High of 42°F6°C
Wind: 7 mph11 km/h
Precipitation: None

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