No
you don't need a jacket based on the weather in Indianapolis, IN, USA 22 minutes ago
72°F22°C & Clear
Wind is 2 mph4 km/h from the Northwest, gusting to 4 mph6 km/h
| September 18 | ||||
| 12am | 71°F21°C | 1 mph2 km/h Northwest | Clear | |
| 1am | 69°F21°C | 2 mph3 km/h Northeast | Clear | |
| 2am | 68°F20°C | 3 mph4 km/h East | Clear | |
| 3am | 67°F19°C | 3 mph4 km/h Northeast | Clear | |
| 4am | 65°F18°C | 2 mph4 km/h Northeast | Clear | |
| 5am | 63°F17°C | 2 mph3 km/h Northeast | Clear | |
| 6am | 62°F17°C | 2 mph4 km/h East | Clear | |
| 7am | 62°F17°C | 2 mph4 km/h Southeast | Clear | |
| 8am | 62°F17°C | 2 mph3 km/h East | Clear | |
| 9am | 66°F19°C | 1 mph2 km/h Southeast | Clear | |
| 10am | 72°F22°C | 2 mph3 km/h South | Clear | |
| 11am | 77°F25°C | 3 mph4 km/h South | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 17 | 60°F16°C | 87°F31°C | 2 mph2 km/h from South | Clear | Clear |
| September 18 | 62°F16°C | 87°F30°C | 3 mph4 km/h from Southwest | Clear | Clear |
| September 19 | 63°F17°C | 87°F31°C | 3 mph5 km/h from South | Mostly Clear | Mostly Cloudy |
| September 20 | 66°F19°C | 85°F29°C | 5 mph8 km/h from Southeast | Mostly Cloudy | Partly Cloudy |
| September 21 | 64°F18°C | 82°F28°C | 6 mph10 km/h from South | Mostly Cloudy | Rain |
| September 22 | 66°F19°C | 76°F24°C | 9 mph15 km/h from Southwest | Thunderstorms | Rain |
| September 23 | 66°F19°C | 76°F24°C | 6 mph10 km/h from Southwest | Drizzle | Partly Cloudy |
No
Low of 62°F17°C, High of 87°F31°CWind: 3 mph4 km/h
Precipitation: None