Yes

you do need a jacket based on the weather in London Borough of Bexley, UK 1 second ago

Why? Because it's so windy, your hat will probably launch into orbit!
59°F15°C & Cloudy

Wind is 13 mph21 km/h from the South, gusting to 27 mph43 km/h
November 4
1pm59°F15°C12 mph20 km/h SouthCloudy
2pm60°F15°C11 mph18 km/h SouthCloudy
3pm59°F15°C11 mph18 km/h SouthCloudy
4pm58°F15°C11 mph18 km/h SouthCloudy
5pm58°F14°C11 mph18 km/h SouthMostly Cloudy
6pm57°F14°C13 mph20 km/h SouthMostly Cloudy
7pm57°F14°C13 mph21 km/h SouthCloudy
8pm58°F14°C12 mph20 km/h SouthMostly Cloudy
9pm58°F15°C12 mph20 km/h SouthMostly Cloudy
10pm58°F15°C13 mph20 km/h SouthMostly Cloudy
11pm59°F15°C12 mph20 km/h SouthMostly Cloudy
November 5
12am58°F15°C12 mph19 km/h SouthMostly Cloudy
DateLowHighWindDayNight
November 457°F14°C60°F15°C10 mph16 km/h from SouthCloudyMostly Cloudy
November 557°F14°C62°F17°C10 mph17 km/h from SouthMostly CloudyCloudy
November 656°F13°C63°F17°C5 mph9 km/h from SouthDrizzleMostly Cloudy
November 753°F11°C60°F16°C6 mph10 km/h from SouthPartly CloudyMostly Cloudy
November 847°F8°C59°F15°C3 mph5 km/h from SouthPartly CloudyPartly Cloudy
November 945°F7°C55°F13°C2 mph3 km/h from SouthPartly CloudyMostly Cloudy
November 1045°F7°C54°F12°C5 mph9 km/h from SouthDrizzleCloudy

Yes

Low of 56°F14°C, High of 63°F17°C
Wind: 10 mph17 km/h
Precipitation: None

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