Yes

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

Why? Because it's not very warm out.
51°F11°C & Thunderstorms

Wind is 13 mph21 km/h from the NE, gusting to 23 mph37 km/h
April 20
9am50°F10°C13 mph20 km/h NECloudy
10am50°F10°C13 mph21 km/h NECloudy
11am52°F11°C14 mph23 km/h NECloudy
12pm54°F12°C14 mph23 km/h NECloudy
1pm56°F14°C15 mph25 km/h NEWindy
2pm59°F15°C15 mph24 km/h NECloudy
3pm61°F16°C14 mph22 km/h NECloudy
4pm60°F16°C13 mph21 km/h NECloudy
5pm59°F15°C13 mph21 km/h NECloudy
6pm58°F15°C12 mph19 km/h NERain
7pm58°F14°C10 mph16 km/h NECloudy
8pm57°F14°C9 mph15 km/h NECloudy
DateLowHighWindDayNight
April 2050°F10°C61°F16°C13 mph21 km/h from NERainDrizzle
April 2146°F8°C67°F20°C8 mph13 km/h from NEPartly CloudyClear
April 2241°F5°C72°F22°C13 mph20 km/h from SClearClear
April 2353°F12°C83°F28°C13 mph21 km/h from SMostly ClearPartly Cloudy
April 2460°F16°C80°F27°C10 mph16 km/h from EMostly CloudyMostly Cloudy
April 2566°F19°C84°F29°C17 mph27 km/h from SWindyWindy
April 2667°F19°C83°F28°C19 mph30 km/h from SRainPartly Cloudy

Yes

Low of 46°F8°C, High of 67°F20°C
Wind: 8 mph13 km/h
Precipitation: None

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