No
you don't need a jacket based on the weather in Decatur, IN 46733, USA 1 second ago
62°F16°C & Clear
Wind is 2 mph4 km/h from the Northeast, gusting to 6 mph10 km/h
| September 18 | ||||
| 1am | 61°F16°C | 3 mph5 km/h Northeast | Clear | |
| 2am | 60°F15°C | 4 mph6 km/h East | Clear | |
| 3am | 59°F15°C | 4 mph6 km/h East | Clear | |
| 4am | 58°F15°C | 3 mph5 km/h Southeast | Clear | |
| 5am | 57°F14°C | 3 mph5 km/h Southeast | Clear | |
| 6am | 57°F14°C | 3 mph4 km/h East | Clear | |
| 7am | 56°F13°C | 2 mph4 km/h East | Clear | |
| 8am | 57°F14°C | 2 mph3 km/h East | Clear | |
| 9am | 63°F17°C | 2 mph3 km/h Northeast | Mostly Clear | |
| 10am | 70°F21°C | 2 mph3 km/h Southeast | Mostly Clear | |
| 11am | 76°F24°C | 2 mph3 km/h South | Mostly Clear | |
| 12pm | 80°F26°C | 2 mph3 km/h Southwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 18 | 56°F13°C | 85°F30°C | 3 mph4 km/h from Northwest | Mostly Clear | Clear |
| September 19 | 59°F15°C | 86°F30°C | 3 mph5 km/h from East | Clear | Partly Cloudy |
| September 20 | 60°F16°C | 84°F29°C | 7 mph11 km/h from Southeast | Mostly Cloudy | Partly Cloudy |
| September 21 | 61°F16°C | 82°F28°C | 9 mph14 km/h from Southwest | Mostly Cloudy | Rain |
| September 22 | 64°F18°C | 75°F24°C | 10 mph17 km/h from Southwest | Thunderstorms | Rain |
| September 23 | 65°F18°C | 77°F25°C | 8 mph14 km/h from Southwest | Drizzle | Partly Cloudy |
| September 24 | 60°F16°C | 75°F24°C | 7 mph12 km/h from South | Partly Cloudy | Mostly Cloudy |
No
Low of 59°F15°C, High of 86°F30°CWind: 3 mph5 km/h
Precipitation: None