No
you don't need a jacket based on the weather in Decatur, IN 46733, USA 1 second ago
71°F21°C & Mostly Cloudy
Wind is 9 mph15 km/h from the West, gusting to 18 mph29 km/h
| August 28 | ||||
| 6pm | 70°F21°C | 8 mph13 km/h West | Rain | |
| 7pm | 70°F21°C | 7 mph11 km/h West | Mostly Clear | |
| 8pm | 68°F20°C | 5 mph9 km/h West | Clear | |
| 9pm | 65°F18°C | 5 mph9 km/h West | Clear | |
| 10pm | 63°F17°C | 6 mph10 km/h Northwest | Clear | |
| 11pm | 61°F16°C | 7 mph11 km/h Northwest | Clear | |
| August 29 | ||||
| 12am | 59°F15°C | 7 mph11 km/h Northwest | Clear | |
| 1am | 57°F14°C | 7 mph11 km/h Northwest | Mostly Clear | |
| 2am | 56°F13°C | 6 mph10 km/h Northwest | Mostly Clear | |
| 3am | 54°F12°C | 6 mph9 km/h Northwest | Mostly Clear | |
| 4am | 52°F11°C | 5 mph8 km/h North | Mostly Clear | |
| 5am | 52°F11°C | 5 mph7 km/h North | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 28 | 53°F11°C | 71°F22°C | 9 mph14 km/h from West | Rain | Mostly Clear |
| August 29 | 52°F11°C | 70°F21°C | 6 mph9 km/h from Northeast | Mostly Cloudy | Mostly Clear |
| August 30 | 46°F8°C | 72°F22°C | 4 mph6 km/h from East | Clear | Clear |
| August 31 | 48°F9°C | 75°F24°C | 6 mph9 km/h from Northeast | Clear | Clear |
| September 1 | 49°F9°C | 77°F25°C | 6 mph10 km/h from Northeast | Clear | Mostly Clear |
| September 2 | 53°F12°C | 78°F25°C | 5 mph7 km/h from East | Mostly Clear | Partly Cloudy |
| September 3 | 58°F14°C | 73°F23°C | 10 mph15 km/h from South | Rain | Thunderstorms |
Yes
Low of 52°F11°C, High of 70°F21°CWind: 6 mph9 km/h
Precipitation: None