Yes

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

Why? Because a jacket will keep you cozy, but you won't break a seat!
58°F14°C & Cloudy

Wind is 5 mph8 km/h from the Northwest, gusting to 13 mph21 km/h
July 27
2am58°F15°C6 mph9 km/h NorthwestCloudy
3am60°F16°C6 mph9 km/h NorthwestCloudy
4am62°F17°C6 mph10 km/h NorthwestMostly Cloudy
5am64°F18°C6 mph10 km/h NorthCloudy
6am66°F19°C7 mph11 km/h NorthwestCloudy
7am69°F20°C7 mph11 km/h NorthwestMostly Cloudy
8am70°F21°C7 mph12 km/h NorthwestMostly Cloudy
9am70°F21°C8 mph12 km/h NorthwestMostly Cloudy
10am71°F22°C8 mph13 km/h NorthwestMostly Cloudy
11am71°F22°C8 mph13 km/h NorthwestMostly Cloudy
12pm71°F21°C8 mph13 km/h NorthwestMostly Cloudy
1pm69°F21°C7 mph12 km/h NorthwestMostly Cloudy
DateLowHighWindDayNight
July 2658°F14°C71°F22°C7 mph11 km/h from NorthwestMostly CloudyPartly Cloudy
July 2756°F13°C75°F24°C7 mph11 km/h from NorthwestPartly CloudyPartly Cloudy
July 2857°F14°C71°F22°C4 mph7 km/h from WestRainDrizzle
July 2958°F15°C74°F23°C5 mph8 km/h from NorthwestMostly CloudyPartly Cloudy
July 3059°F15°C76°F24°C6 mph10 km/h from NorthwestMostly CloudyMostly Cloudy
July 3159°F15°C71°F21°C8 mph13 km/h from NorthwestDrizzleMostly Cloudy
August 156°F13°C69°F20°C7 mph11 km/h from NorthwestDrizzleMostly Cloudy

Yes

Low of 56°F14°C, High of 75°F24°C
Wind: 7 mph11 km/h
Precipitation: None

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