Yes

you do need a jacket based on the weather in London, UK 10 minutes ago

Why? Because a jacket will keep you cozy, but you won't break a seat and it's so gusty, you’re basically doing accidental parkour!
57°F14°C & Mostly Clear

Wind is 10 mph16 km/h from the Southwest, gusting to 25 mph40 km/h
September 11
5pm56°F14°C10 mph17 km/h SouthwestMostly Clear
6pm56°F13°C11 mph18 km/h SouthwestMostly Clear
7pm55°F13°C11 mph18 km/h SouthwestMostly Clear
8pm54°F12°C11 mph18 km/h SouthwestMostly Clear
9pm54°F12°C11 mph17 km/h SouthwestMostly Clear
10pm54°F12°C12 mph19 km/h SouthwestMostly Clear
11pm53°F12°C11 mph17 km/h SouthwestMostly Cloudy
September 12
12am53°F12°C10 mph16 km/h SouthwestPartly Cloudy
1am53°F12°C10 mph15 km/h SouthwestPartly Cloudy
2am53°F12°C9 mph15 km/h SouthwestMostly Clear
3am54°F12°C9 mph15 km/h SouthwestMostly Clear
4am56°F13°C10 mph17 km/h SouthwestMostly Clear
DateLowHighWindDayNight
September 1054°F12°C66°F19°C8 mph13 km/h from SouthwestRainPartly Cloudy
September 1153°F12°C63°F17°C11 mph18 km/h from SouthwestRainDrizzle
September 1254°F12°C64°F18°C11 mph17 km/h from SouthwestDrizzlePartly Cloudy
September 1350°F10°C66°F19°C10 mph15 km/h from SouthRainRain
September 1456°F13°C65°F18°C19 mph30 km/h from SouthwestWindyPartly Cloudy
September 1553°F12°C64°F18°C12 mph19 km/h from WestMostly CloudyCloudy
September 1654°F12°C64°F18°C12 mph19 km/h from SouthwestDrizzleMostly Cloudy

Yes

Low of 53°F12°C, High of 64°F18°C
Wind: 11 mph18 km/h
Precipitation: 48% rain

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