Yes

you do need a jacket based on the weather in London, UK 14 minutes ago

Why? Because a jacket will keep you cozy, but you won't break a seat and it's fairly windy outside!
54°F12°C & Clear

Wind is 10 mph16 km/h from the Northeast, gusting to 21 mph34 km/h
April 4
7pm51°F11°C10 mph16 km/h NortheastClear
8pm50°F10°C9 mph15 km/h NortheastClear
9pm48°F9°C9 mph15 km/h NortheastClear
10pm47°F9°C9 mph15 km/h NortheastClear
11pm46°F8°C9 mph14 km/h NortheastClear
April 5
12am45°F7°C9 mph14 km/h NortheastClear
1am45°F7°C9 mph14 km/h NortheastClear
2am44°F7°C9 mph14 km/h NortheastClear
3am46°F8°C9 mph14 km/h NortheastClear
4am49°F9°C9 mph15 km/h NortheastClear
5am53°F12°C10 mph15 km/h NortheastClear
6am57°F14°C10 mph17 km/h NortheastClear
DateLowHighWindDayNight
April 349°F9°C71°F22°C7 mph11 km/h from EastMostly CloudyClear
April 444°F7°C65°F18°C11 mph18 km/h from NortheastClearClear
April 544°F6°C59°F15°C11 mph18 km/h from EastClearClear
April 638°F3°C60°F16°C7 mph11 km/h from EastClearClear
April 739°F4°C61°F16°C5 mph8 km/h from NortheastMostly ClearMostly Clear
April 840°F4°C58°F14°C9 mph15 km/h from NortheastPartly CloudyPartly Cloudy
April 941°F5°C61°F16°C6 mph9 km/h from NorthPartly CloudyMostly Clear

Yes

Low of 44°F7°C, High of 64°F18°C
Wind: 11 mph18 km/h
Precipitation: None

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