Yes

you do need a jacket based on the weather in Salt Lake City, UT 84129, USA 1 second ago

Why? Because some drizzle out there and it's cold enough that makes you wish you had a hat, but you're still too proud to admit it!
49°F10°C & Drizzle

Wind is 4 mph6 km/h from the Northwest, gusting to 8 mph13 km/h
April 30
11am49°F10°C4 mph6 km/h NorthwestDrizzle
12pm50°F10°C6 mph9 km/h NorthwestCloudy
1pm52°F11°C4 mph7 km/h NorthwestCloudy
2pm55°F13°C4 mph7 km/h NorthwestCloudy
3pm58°F14°C5 mph8 km/h NorthwestPartly Cloudy
4pm60°F16°C6 mph10 km/h NorthwestPartly Cloudy
5pm61°F16°C7 mph12 km/h NorthwestPartly Cloudy
6pm62°F16°C7 mph12 km/h NorthwestMostly Clear
7pm62°F17°C7 mph12 km/h NorthwestClear
8pm62°F17°C7 mph11 km/h NorthwestClear
9pm61°F16°C6 mph9 km/h NorthwestClear
10pm58°F15°C4 mph6 km/h NorthMostly Clear
DateLowHighWindDayNight
April 3049°F10°C62°F17°C6 mph9 km/h from NorthwestRainClear
May 143°F6°C66°F19°C6 mph9 km/h from NorthwestClearClear
May 246°F8°C74°F23°C4 mph7 km/h from SouthwestClearClear
May 351°F11°C79°F26°C9 mph15 km/h from SouthMostly ClearCloudy
May 454°F12°C68°F20°C6 mph10 km/h from SouthCloudyMostly Cloudy
May 548°F9°C62°F17°C5 mph9 km/h from SouthwestMostly CloudyPartly Cloudy
May 648°F9°C62°F16°C4 mph7 km/h from WestMostly CloudyPartly Cloudy

Yes

Low of 43°F6°C, High of 66°F19°C
Wind: 6 mph9 km/h
Precipitation: None

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