Yes
you do need a jacket based on the weather in Decatur, IN 46733, USA 1 second ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it!
56°F13°C & Cloudy
Wind is 4 mph6 km/h from the West, gusting to 7 mph11 km/h
| May 30 | ||||
| 2am | 56°F13°C | 4 mph6 km/h West | Cloudy | |
| 3am | 55°F13°C | 4 mph6 km/h West | Cloudy | |
| 4am | 55°F13°C | 3 mph5 km/h West | Cloudy | |
| 5am | 54°F12°C | 3 mph5 km/h West | Cloudy | |
| 6am | 54°F12°C | 3 mph4 km/h West | Cloudy | |
| 7am | 54°F12°C | 3 mph5 km/h West | Cloudy | |
| 8am | 56°F13°C | 4 mph6 km/h West | Cloudy | |
| 9am | 58°F14°C | 4 mph6 km/h West | Cloudy | |
| 10am | 60°F16°C | 4 mph7 km/h Northwest | Mostly Cloudy | |
| 11am | 62°F17°C | 6 mph10 km/h Northwest | Mostly Cloudy | |
| 12pm | 65°F18°C | 8 mph13 km/h Northwest | Mostly Cloudy | |
| 1pm | 67°F19°C | 10 mph16 km/h Northwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 30 | 54°F12°C | 71°F22°C | 9 mph14 km/h from Northwest | Mostly Cloudy | Rain |
| May 31 | 50°F10°C | 67°F19°C | 13 mph21 km/h from Northwest | Mostly Clear | Mostly Clear |
| June 1 | 45°F7°C | 71°F22°C | 8 mph12 km/h from Northwest | Mostly Clear | Mostly Clear |
| June 2 | 48°F9°C | 82°F28°C | 8 mph13 km/h from Southwest | Clear | Mostly Clear |
| June 3 | 61°F16°C | 85°F29°C | 14 mph22 km/h from South | Mostly Clear | Partly Cloudy |
| June 4 | 66°F19°C | 79°F26°C | 16 mph26 km/h from Southwest | Rain | Rain |
| June 5 | 58°F14°C | 74°F24°C | 5 mph8 km/h from Northwest | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 50°F10°C, High of 67°F20°CWind: 13 mph21 km/h
Precipitation: None