Yes

you do need a jacket based on the weather in Decatur, IN 46733, USA 1 second ago

Why? Because there's a refreshing nip in the air!
44°F7°C & Cloudy

Wind is 6 mph9 km/h from the Northeast, gusting to 8 mph13 km/h
April 6
6pm44°F6°C7 mph11 km/h NorthCloudy
7pm43°F6°C5 mph9 km/h NorthCloudy
8pm42°F5°C4 mph6 km/h NortheastCloudy
9pm41°F5°C3 mph5 km/h NortheastCloudy
10pm40°F4°C2 mph3 km/h SoutheastCloudy
11pm39°F4°C3 mph4 km/h SouthCloudy
April 7
12am39°F4°C3 mph4 km/h SouthMostly Cloudy
1am37°F3°C3 mph4 km/h SouthMostly Cloudy
2am35°F2°C3 mph5 km/h SouthMostly Clear
3am34°F1°C3 mph5 km/h SouthMostly Clear
4am33°F0°C4 mph6 km/h SouthwestMostly Clear
5am32°F-0°C4 mph7 km/h SouthMostly Clear
DateLowHighWindDayNight
April 639°F4°C44°F7°C9 mph14 km/h from NortheastMostly CloudyPartly Cloudy
April 727°F-3°C49°F9°C16 mph25 km/h from WestWindyMostly Clear
April 822°F-6°C40°F5°C11 mph18 km/h from NorthwestPartly CloudyMostly Clear
April 926°F-4°C42°F6°C10 mph16 km/h from SoutheastRainRain
April 1039°F4°C52°F11°C10 mph16 km/h from WestDrizzleCloudy
April 1135°F2°C50°F10°C10 mph17 km/h from NorthMostly CloudyPartly Cloudy
April 1235°F2°C55°F13°C8 mph12 km/h from NorthwestPartly CloudyPartly Cloudy

Yes

Low of 27°F-3°C, High of 49°F10°C
Wind: 16 mph25 km/h
Precipitation: None

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