Yes

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

Why? Because it's cool. Pleasantly cool, but cool and it's so windy, even the squirrels are holding onto branches for dear life!
55°F13°C & Cloudy

Wind is 11 mph17 km/h from the Southwest, gusting to 25 mph40 km/h
November 3
8am55°F13°C12 mph19 km/h SouthwestCloudy
9am56°F14°C13 mph20 km/h SouthwestCloudy
10am58°F14°C13 mph21 km/h SouthwestCloudy
11am59°F15°C15 mph23 km/h SouthwestCloudy
12pm60°F16°C14 mph23 km/h SouthwestCloudy
1pm60°F16°C14 mph23 km/h SouthwestCloudy
2pm61°F16°C14 mph23 km/h SouthwestMostly Cloudy
3pm60°F16°C13 mph22 km/h SouthwestCloudy
4pm60°F15°C13 mph21 km/h SouthwestMostly Cloudy
5pm59°F15°C13 mph20 km/h SouthwestMostly Cloudy
6pm58°F14°C13 mph20 km/h SouthwestMostly Cloudy
7pm58°F14°C13 mph20 km/h SouthwestMostly Cloudy
DateLowHighWindDayNight
November 346°F8°C61°F16°C13 mph21 km/h from SouthwestCloudyCloudy
November 456°F13°C59°F15°C11 mph17 km/h from SouthCloudyCloudy
November 557°F14°C63°F17°C9 mph14 km/h from SouthCloudyCloudy
November 651°F10°C62°F17°C7 mph11 km/h from SouthRainPartly Cloudy
November 748°F9°C58°F15°C9 mph14 km/h from SouthDrizzleDrizzle
November 845°F7°C59°F15°C4 mph6 km/h from SouthwestPartly CloudyMostly Clear
November 944°F6°C55°F13°C4 mph7 km/h from SouthwestMostly CloudyMostly Cloudy

Yes

Low of 55°F13°C, High of 59°F15°C
Wind: 11 mph17 km/h
Precipitation: None

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