Yes

you do need a jacket based on the weather in Louisville, KY, USA 16 minutes ago

Why? Because rain's coming down and a jacket will keep you cozy, but you won't break a seat!
55°F13°C & Rain

Wind is 5 mph8 km/h from the Northeast, gusting to 10 mph16 km/h
April 4
5am55°F13°C7 mph11 km/h NortheastThunderstorms
6am54°F12°C7 mph12 km/h NorthThunderstorms
7am54°F12°C7 mph11 km/h NortheastDrizzle
8am55°F13°C7 mph12 km/h NortheastDrizzle
9am56°F13°C7 mph11 km/h NortheastDrizzle
10am57°F14°C6 mph10 km/h NortheastRain
11am57°F14°C7 mph11 km/h EastThunderstorms
12pm59°F15°C6 mph9 km/h EastThunderstorms
1pm60°F16°C5 mph9 km/h EastThunderstorms
2pm62°F17°C5 mph7 km/h EastThunderstorms
3pm64°F18°C5 mph8 km/h EastCloudy
4pm67°F20°C5 mph8 km/h EastCloudy
DateLowHighWindDayNight
April 453°F12°C71°F22°C6 mph9 km/h from EastThunderstormsRain
April 549°F10°C69°F21°C9 mph14 km/h from SouthwestRainHeavy Rain
April 641°F5°C49°F10°C11 mph18 km/h from NortheastRainDrizzle
April 736°F2°C57°F14°C7 mph11 km/h from WestMostly ClearMostly Clear
April 828°F-2°C47°F9°C5 mph8 km/h from NorthMostly ClearMostly Clear
April 930°F-1°C58°F14°C6 mph10 km/h from SouthMostly CloudyDrizzle
April 1047°F8°C64°F18°C9 mph15 km/h from SouthwestDrizzleRain

Yes

Low of 49°F10°C, High of 69°F21°C
Wind: 9 mph14 km/h
Precipitation: 85% rain

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