Yes

you do need a jacket based on the weather in Louisville, KY, USA 23 seconds ago

Why? Because it's cold enough that makes you wish you had a hat, but you're still too proud to admit it!
42°F5°C & Clear

Wind is 2 mph4 km/h from the Southwest, gusting to 6 mph10 km/h
October 24
6am41°F5°C2 mph4 km/h SouthwestClear
7am41°F5°C3 mph5 km/h SouthwestClear
8am40°F4°C3 mph5 km/h SouthwestMostly Clear
9am39°F4°C3 mph4 km/h SouthwestMostly Clear
10am39°F4°C2 mph4 km/h SouthwestMostly Clear
11am38°F3°C1 mph2 km/h SouthClear
12pm38°F3°C2 mph3 km/h SoutheastMostly Clear
1pm40°F4°C1 mph2 km/h SoutheastMostly Clear
2pm44°F7°C1 mph1 km/h EastMostly Clear
3pm50°F10°C1 mph2 km/h NorthClear
4pm54°F12°C1 mph2 km/h WestMostly Clear
5pm58°F14°C2 mph3 km/h NorthwestMostly Clear
DateLowHighWindDayNight
October 2438°F3°C62°F17°C2 mph3 km/h from NorthwestMostly ClearMostly Cloudy
October 2543°F6°C61°F16°C5 mph7 km/h from EastCloudyCloudy
October 2647°F8°C60°F15°C7 mph11 km/h from EastDrizzleDrizzle
October 2748°F9°C57°F14°C7 mph12 km/h from EastDrizzleDrizzle
October 2848°F9°C58°F15°C7 mph11 km/h from NortheastDrizzleRain
October 2946°F8°C54°F12°C10 mph15 km/h from NorthRainMostly Cloudy
October 3042°F6°C56°F13°C9 mph15 km/h from NorthwestPartly CloudyPartly Cloudy

Yes

Low of 43°F6°C, High of 61°F16°C
Wind: 5 mph7 km/h
Precipitation: None

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