Yes

you do need a jacket based on the weather in Washington, DC, USA 1 second ago

Why? Because the wind could blow a wig clean off your head!
65°F18°C & Cloudy

Wind is 7 mph11 km/h from the South, gusting to 19 mph31 km/h
April 26
5am65°F18°C8 mph13 km/h SouthCloudy
6am65°F19°C8 mph13 km/h SouthwestCloudy
7am66°F19°C8 mph13 km/h SouthwestCloudy
8am67°F19°C9 mph15 km/h SouthwestCloudy
9am68°F20°C10 mph16 km/h SouthwestCloudy
10am68°F20°C9 mph15 km/h SouthwestCloudy
11am69°F21°C11 mph17 km/h SouthwestDrizzle
12pm70°F21°C10 mph17 km/h SouthwestCloudy
1pm72°F22°C10 mph17 km/h SouthwestCloudy
2pm73°F23°C10 mph16 km/h SouthwestMostly Cloudy
3pm75°F24°C9 mph15 km/h WestMostly Cloudy
4pm73°F23°C9 mph14 km/h WestMostly Cloudy
DateLowHighWindDayNight
April 2652°F11°C75°F24°C10 mph16 km/h from WestRainClear
April 2746°F8°C69°F21°C13 mph21 km/h from NorthwestClearClear
April 2848°F9°C74°F23°C3 mph5 km/h from SouthwestClearMostly Clear
April 2953°F12°C83°F28°C9 mph14 km/h from SouthPartly CloudyMostly Cloudy
April 3065°F18°C80°F27°C6 mph10 km/h from NorthwestMostly CloudyMostly Cloudy
May 159°F15°C77°F25°C6 mph10 km/h from SoutheastMostly CloudyMostly Cloudy
May 260°F16°C82°F28°C11 mph18 km/h from SouthwestDrizzleRain

Yes

Low of 46°F8°C, High of 69°F21°C
Wind: 13 mph21 km/h
Precipitation: None

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