Yes

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

Why? Because it's really really huffing out there!
72°F22°C & Windy

Wind is 19 mph31 km/h from the South, gusting to 37 mph60 km/h
April 17
11am73°F23°C20 mph32 km/h SouthWindy
12pm77°F25°C20 mph32 km/h SouthwestWindy
1pm81°F27°C20 mph31 km/h SouthwestWindy
2pm84°F29°C19 mph31 km/h SouthwestWindy
3pm87°F30°C19 mph31 km/h SouthWindy
4pm88°F31°C19 mph31 km/h SouthWindy
5pm89°F32°C19 mph31 km/h SouthWindy
6pm89°F32°C20 mph32 km/h SouthWindy
7pm88°F31°C20 mph32 km/h SouthWindy
8pm86°F30°C20 mph33 km/h SouthWindy
9pm83°F28°C20 mph32 km/h SouthWindy
10pm81°F27°C21 mph33 km/h SouthWindy
DateLowHighWindDayNight
April 1765°F18°C89°F32°C19 mph31 km/h from SouthWindyWindy
April 1864°F18°C82°F28°C18 mph28 km/h from SouthWindyThunderstorms
April 1955°F13°C64°F18°C9 mph15 km/h from NorthRainHeavy Rain
April 2054°F12°C66°F19°C14 mph23 km/h from WestRainClear
April 2149°F9°C77°F25°C8 mph13 km/h from SouthClearPartly Cloudy
April 2258°F14°C79°F26°C13 mph22 km/h from SouthPartly CloudyRain
April 2360°F16°C74°F24°C10 mph16 km/h from SoutheastThunderstormsMostly Cloudy

No

Low of 64°F18°C, High of 82°F28°C
Wind: 18 mph28 km/h
Precipitation: None

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