Yes

you do need a jacket based on the weather in Springfield, VA 22153, USA 1 second ago

Why? Because it's cool. Pleasantly cool, but cool.
57°F14°C & Cloudy

Wind is 6 mph10 km/h from the NW, gusting to 16 mph26 km/h
April 20
11am59°F15°C7 mph11 km/h NWMostly Cloudy
12pm62°F17°C7 mph12 km/h NWMostly Cloudy
1pm65°F19°C8 mph13 km/h NWMostly Clear
2pm69°F20°C9 mph14 km/h NWClear
3pm71°F21°C9 mph15 km/h NWClear
4pm72°F22°C11 mph18 km/h NWClear
5pm72°F22°C12 mph19 km/h NWClear
6pm70°F21°C11 mph18 km/h NWClear
7pm67°F19°C9 mph15 km/h NWMostly Clear
8pm62°F17°C8 mph13 km/h NWMostly Clear
9pm59°F15°C9 mph14 km/h NWPartly Cloudy
10pm56°F13°C10 mph15 km/h NPartly Cloudy
DateLowHighWindDayNight
April 2051°F11°C72°F22°C8 mph13 km/h from NWPartly CloudyPartly Cloudy
April 2142°F5°C56°F14°C5 mph7 km/h from NWCloudyPartly Cloudy
April 2239°F4°C64°F18°C7 mph11 km/h from NWMostly ClearClear
April 2341°F5°C71°F21°C9 mph14 km/h from SMostly ClearMostly Cloudy
April 2452°F11°C71°F21°C10 mph16 km/h from WPartly CloudyClear
April 2544°F7°C66°F19°C6 mph9 km/h from NWMostly ClearMostly Clear
April 2644°F7°C66°F19°C6 mph9 km/h from EPartly CloudyMostly Cloudy

Yes

Low of 42°F6°C, High of 56°F14°C
Wind: 5 mph7 km/h
Precipitation: None

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