Yes

you do need a jacket based on the weather in Oklahoma City, OK, USA 1 second ago

Why? Because it's pretty chilly!
52°F11°C & Mostly Clear

Wind is 3 mph5 km/h from the Southwest, gusting to 4 mph6 km/h
May 4
5am51°F11°C3 mph5 km/h SouthwestClear
6am51°F10°C3 mph5 km/h SouthwestClear
7am50°F10°C3 mph5 km/h SouthwestClear
8am51°F10°C2 mph4 km/h EastMostly Clear
9am54°F12°C2 mph3 km/h EastMostly Clear
10am58°F14°C3 mph5 km/h EastMostly Clear
11am61°F16°C4 mph6 km/h SoutheastPartly Cloudy
12pm64°F18°C4 mph7 km/h SoutheastMostly Clear
1pm67°F19°C4 mph7 km/h SoutheastMostly Clear
2pm68°F20°C5 mph7 km/h SoutheastMostly Clear
3pm70°F21°C5 mph7 km/h SoutheastMostly Clear
4pm71°F22°C5 mph7 km/h SoutheastMostly Clear
DateLowHighWindDayNight
May 450°F10°C72°F22°C4 mph6 km/h from SoutheastMostly ClearMostly Clear
May 551°F11°C72°F22°C6 mph10 km/h from SoutheastMostly CloudyMostly Cloudy
May 656°F13°C60°F15°C13 mph20 km/h from EastRainRain
May 756°F13°C71°F21°C6 mph9 km/h from NortheastRainRain
May 856°F13°C69°F21°C11 mph18 km/h from NorthMostly CloudyMostly Cloudy
May 956°F13°C71°F22°C12 mph19 km/h from NorthDrizzleClear
May 1056°F13°C75°F24°C10 mph16 km/h from NorthClearClear

Yes

Low of 51°F11°C, High of 72°F22°C
Wind: 6 mph10 km/h
Precipitation: None

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