No
you don't need a jacket based on the weather in Decatur, IN 46733, USA 1 second ago
65°F18°C & Cloudy
Wind is 5 mph8 km/h from the Southeast, gusting to 10 mph16 km/h
| May 15 | ||||
| 3am | 64°F18°C | 5 mph9 km/h Southeast | Mostly Clear | |
| 4am | 64°F18°C | 7 mph11 km/h Southeast | Clear | |
| 5am | 63°F17°C | 7 mph11 km/h Southeast | Clear | |
| 6am | 62°F17°C | 6 mph10 km/h Southeast | Clear | |
| 7am | 62°F17°C | 6 mph9 km/h Southeast | Clear | |
| 8am | 65°F18°C | 7 mph11 km/h South | Mostly Clear | |
| 9am | 68°F20°C | 8 mph13 km/h South | Mostly Cloudy | |
| 10am | 70°F21°C | 8 mph13 km/h South | Mostly Cloudy | |
| 11am | 74°F23°C | 9 mph14 km/h South | Mostly Cloudy | |
| 12pm | 77°F25°C | 10 mph16 km/h South | Mostly Cloudy | |
| 1pm | 79°F26°C | 11 mph18 km/h South | Partly Cloudy | |
| 2pm | 81°F27°C | 12 mph20 km/h South | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 15 | 62°F17°C | 83°F29°C | 10 mph17 km/h from South | Partly Cloudy | Thunderstorms |
| May 16 | 64°F18°C | 82°F28°C | 10 mph17 km/h from Southwest | Mostly Clear | Thunderstorms |
| May 17 | 59°F15°C | 67°F20°C | 19 mph31 km/h from West | Windy | Partly Cloudy |
| May 18 | 54°F12°C | 71°F22°C | 10 mph17 km/h from Northwest | Partly Cloudy | Mostly Clear |
| May 19 | 49°F9°C | 70°F21°C | 8 mph14 km/h from Northeast | Mostly Cloudy | Mostly Cloudy |
| May 20 | 49°F9°C | 64°F18°C | 11 mph18 km/h from East | Cloudy | Cloudy |
| May 21 | 52°F11°C | 66°F19°C | 12 mph20 km/h from East | Rain | Rain |
No
Low of 64°F18°C, High of 82°F28°CWind: 10 mph17 km/h
Precipitation: None