Yes

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

Why? Because it's pretty chilly!
52°F11°C & Cloudy

Wind is 6 mph9 km/h from the South, gusting to 14 mph22 km/h
April 29
5am52°F11°C6 mph9 km/h SouthMostly Clear
6am52°F11°C6 mph10 km/h SouthMostly Clear
7am53°F12°C6 mph10 km/h SouthPartly Cloudy
8am57°F14°C9 mph15 km/h SouthClear
9am62°F16°C10 mph17 km/h SouthClear
10am66°F19°C11 mph18 km/h SouthwestClear
11am71°F21°C11 mph17 km/h SouthMostly Clear
12pm75°F24°C11 mph18 km/h SouthwestMostly Clear
1pm78°F26°C11 mph18 km/h SouthwestPartly Cloudy
2pm81°F27°C12 mph19 km/h SouthwestMostly Clear
3pm82°F28°C12 mph20 km/h SouthPartly Cloudy
4pm83°F28°C13 mph21 km/h SouthPartly Cloudy
DateLowHighWindDayNight
April 2952°F11°C83°F28°C11 mph18 km/h from SouthMostly ClearMostly Cloudy
April 3064°F18°C80°F26°C6 mph9 km/h from NorthwestMostly CloudyMostly Cloudy
May 160°F16°C81°F27°C7 mph11 km/h from SoutheastMostly CloudyDrizzle
May 266°F19°C83°F28°C11 mph17 km/h from SouthwestDrizzlePartly Cloudy
May 358°F14°C76°F24°C10 mph16 km/h from SouthwestRainRain
May 451°F11°C63°F17°C10 mph16 km/h from NorthPartly CloudyMostly Clear
May 550°F10°C66°F19°C7 mph11 km/h from NorthPartly CloudyMostly Cloudy

No

Low of 64°F18°C, High of 80°F27°C
Wind: 6 mph9 km/h
Precipitation: None

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