Yes

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

Why? Because it's really really huffing out there!
74°F23°C & Windy

Wind is 22 mph36 km/h from the West, gusting to 36 mph58 km/h
April 29
1pm72°F22°C21 mph34 km/h WestWindy
2pm70°F21°C20 mph32 km/h WestWindy
3pm71°F21°C18 mph30 km/h WestWindy
4pm70°F21°C15 mph25 km/h NorthwestWindy
5pm66°F19°C15 mph24 km/h NorthMostly Cloudy
6pm62°F16°C15 mph24 km/h NorthMostly Cloudy
7pm61°F16°C12 mph19 km/h NorthMostly Cloudy
8pm58°F14°C11 mph17 km/h NorthPartly Cloudy
9pm55°F13°C9 mph14 km/h NortheastPartly Cloudy
10pm53°F11°C7 mph12 km/h NortheastPartly Cloudy
11pm51°F11°C7 mph11 km/h NortheastMostly Clear
April 30
12am50°F10°C6 mph9 km/h NortheastPartly Cloudy
DateLowHighWindDayNight
April 2949°F9°C75°F24°C17 mph28 km/h from WestWindyPartly Cloudy
April 3044°F7°C68°F20°C9 mph15 km/h from SoutheastMostly CloudyRain
May 149°F9°C69°F20°C12 mph19 km/h from SouthwestThunderstormsRain
May 247°F9°C65°F18°C9 mph14 km/h from NorthwestRainPartly Cloudy
May 343°F6°C55°F13°C11 mph18 km/h from NorthPartly CloudyMostly Clear
May 439°F4°C66°F19°C7 mph12 km/h from NorthClearClear
May 545°F7°C68°F20°C9 mph15 km/h from NortheastMostly ClearPartly Cloudy

Yes

Low of 45°F7°C, High of 68°F20°C
Wind: 9 mph15 km/h
Precipitation: None

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