Yes

you do need a jacket based on the weather in Swanley, UK 1 second ago

Why? Because it's super windy outside!
67°F20°C & Cloudy

Wind is 15 mph24 km/h from the Southwest, gusting to 28 mph45 km/h
September 18
7am68°F20°C15 mph25 km/h SouthwestWindy
8am69°F20°C15 mph24 km/h SouthwestWindy
9am69°F21°C15 mph24 km/h SouthwestWindy
10am70°F21°C15 mph25 km/h SouthwestWindy
11am70°F21°C15 mph25 km/h SouthwestWindy
12pm69°F20°C14 mph23 km/h SouthwestPartly Cloudy
1pm67°F20°C14 mph22 km/h SouthwestMostly Cloudy
2pm66°F19°C13 mph20 km/h SouthwestMostly Cloudy
3pm65°F18°C12 mph19 km/h SouthwestCloudy
4pm64°F18°C11 mph18 km/h SouthwestMostly Cloudy
5pm64°F18°C10 mph16 km/h SouthwestMostly Cloudy
6pm63°F17°C9 mph15 km/h SouthwestMostly Cloudy
DateLowHighWindDayNight
September 1763°F17°C70°F21°C14 mph23 km/h from SouthwestMostly CloudyMostly Cloudy
September 1860°F15°C76°F24°C8 mph13 km/h from SouthPartly CloudyPartly Cloudy
September 1956°F14°C71°F22°C11 mph18 km/h from SouthDrizzleWindy
September 2051°F10°C60°F15°C13 mph22 km/h from WestDrizzlePartly Cloudy
September 2147°F8°C60°F15°C10 mph17 km/h from NortheastDrizzleMostly Clear
September 2243°F6°C60°F15°C8 mph13 km/h from NorthPartly CloudyPartly Cloudy
September 2347°F8°C61°F16°C8 mph13 km/h from NortheastPartly CloudyPartly Cloudy

No

Low of 60°F16°C, High of 76°F25°C
Wind: 8 mph13 km/h
Precipitation: None

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