Yes

you do need a jacket based on the weather in Williamsburg, VA 23185, USA 1 second ago

Why? Because some drizzle out there!
69°F20°C & Drizzle

Wind is 9 mph15 km/h from the North, gusting to 19 mph30 km/h
September 7
2pm69°F21°C9 mph14 km/h NorthDrizzle
3pm69°F21°C9 mph14 km/h NorthCloudy
4pm69°F21°C8 mph13 km/h NorthCloudy
5pm69°F21°C7 mph12 km/h NorthCloudy
6pm68°F20°C6 mph10 km/h NorthCloudy
7pm67°F19°C5 mph8 km/h NorthCloudy
8pm66°F19°C5 mph8 km/h NorthCloudy
9pm66°F19°C4 mph6 km/h NorthCloudy
10pm65°F18°C4 mph7 km/h NorthCloudy
11pm64°F18°C5 mph7 km/h NorthCloudy
September 8
12am64°F18°C5 mph8 km/h NorthCloudy
1am63°F17°C6 mph10 km/h NorthMostly Cloudy
DateLowHighWindDayNight
September 764°F18°C73°F23°C7 mph11 km/h from NorthDrizzleMostly Cloudy
September 859°F15°C75°F24°C10 mph16 km/h from NortheastMostly ClearPartly Cloudy
September 959°F15°C74°F24°C11 mph17 km/h from NortheastMostly CloudyCloudy
September 1064°F18°C74°F23°C9 mph14 km/h from NorthMostly CloudyPartly Cloudy
September 1162°F17°C78°F26°C5 mph9 km/h from NorthMostly ClearMostly Clear
September 1258°F15°C77°F25°C9 mph14 km/h from NortheastMostly ClearMostly Clear
September 1362°F17°C76°F24°C9 mph14 km/h from NortheastPartly CloudyPartly Cloudy

Yes

Low of 58°F15°C, High of 75°F24°C
Wind: 10 mph16 km/h
Precipitation: None

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