Yes

you do need a jacket based on the weather in Lewes, DE 19958, USA 1 second ago

Why? Because it's fairly windy outside!
66°F19°C & Clear

Wind is 14 mph23 km/h from the West, gusting to 22 mph36 km/h
June 1
2pm67°F19°C14 mph23 km/h WestMostly Clear
3pm68°F20°C14 mph23 km/h WestMostly Clear
4pm68°F20°C13 mph21 km/h WestPartly Cloudy
5pm68°F20°C12 mph19 km/h WestPartly Cloudy
6pm68°F20°C10 mph16 km/h WestPartly Cloudy
7pm66°F19°C7 mph12 km/h SouthwestMostly Cloudy
8pm64°F18°C6 mph9 km/h SouthwestCloudy
9pm63°F17°C7 mph11 km/h SouthwestMostly Cloudy
10pm62°F16°C7 mph12 km/h SouthMostly Cloudy
11pm60°F16°C9 mph14 km/h SouthMostly Cloudy
June 2
12am59°F15°C8 mph13 km/h SouthMostly Cloudy
1am59°F15°C8 mph12 km/h SouthwestPartly Cloudy
DateLowHighWindDayNight
June 151°F11°C68°F20°C11 mph18 km/h from WestMostly ClearPartly Cloudy
June 256°F13°C70°F21°C8 mph14 km/h from NorthwestClearMostly Clear
June 357°F14°C75°F24°C6 mph9 km/h from WestClearClear
June 461°F16°C79°F26°C9 mph15 km/h from SouthClearMostly Clear
June 565°F18°C81°F27°C10 mph16 km/h from SouthwestPartly CloudyPartly Cloudy
June 666°F19°C80°F27°C11 mph18 km/h from SouthMostly ClearRain
June 767°F19°C76°F24°C7 mph12 km/h from SouthwestRainDrizzle

Yes

Low of 56°F14°C, High of 70°F21°C
Wind: 8 mph14 km/h
Precipitation: None

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