Yes
you do need a jacket based on the weather in Decatur, IN 46733, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
52°F11°C & Clear
Wind is 9 mph15 km/h from the Northeast, gusting to 18 mph29 km/h
| March 12 | ||||
| 8pm | 51°F11°C | 10 mph16 km/h Northeast | Clear | |
| 9pm | 47°F9°C | 10 mph16 km/h Northeast | Mostly Clear | |
| 10pm | 44°F6°C | 10 mph16 km/h Northeast | Mostly Clear | |
| 11pm | 41°F5°C | 8 mph12 km/h Northeast | Mostly Clear | |
| March 13 | ||||
| 12am | 39°F4°C | 7 mph12 km/h Northeast | Partly Cloudy | |
| 1am | 38°F3°C | 6 mph10 km/h Northeast | Partly Cloudy | |
| 2am | 36°F2°C | 4 mph7 km/h East | Mostly Clear | |
| 3am | 36°F2°C | 5 mph8 km/h Northeast | Mostly Cloudy | |
| 4am | 35°F1°C | 5 mph7 km/h Northeast | Partly Cloudy | |
| 5am | 34°F1°C | 5 mph7 km/h Northeast | Partly Cloudy | |
| 6am | 33°F1°C | 5 mph9 km/h Northeast | Mostly Clear | |
| 7am | 32°F0°C | 6 mph10 km/h Northeast | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 12 | 33°F0°C | 59°F15°C | 8 mph12 km/h from East | Clear | Mostly Clear |
| March 13 | 32°F-0°C | 65°F19°C | 8 mph14 km/h from East | Clear | Mostly Clear |
| March 14 | 44°F7°C | 70°F21°C | 14 mph23 km/h from South | Partly Cloudy | Rain |
| March 15 | 54°F12°C | 69°F20°C | 24 mph38 km/h from South | Rain | Rain |
| March 16 | 33°F1°C | 54°F12°C | 16 mph26 km/h from West | Windy | Partly Cloudy |
| March 17 | 28°F-2°C | 52°F11°C | 9 mph15 km/h from Southwest | Mostly Clear | Mostly Clear |
| March 18 | 39°F4°C | 66°F19°C | 15 mph24 km/h from South | Mostly Cloudy | Windy |
Yes
Low of 32°F-0°C, High of 65°F19°CWind: 8 mph14 km/h
Precipitation: None