No

you don't need a jacket based on the weather in London SE18 1QF, UK 1 second ago

64°F18°C & Cloudy

Wind is 4 mph6 km/h from the Northeast, gusting to 10 mph16 km/h
August 23
6am66°F19°C4 mph7 km/h EastMostly Cloudy
7am68°F20°C4 mph6 km/h EastMostly Cloudy
8am69°F21°C4 mph7 km/h EastMostly Cloudy
9am70°F21°C4 mph7 km/h EastMostly Cloudy
10am71°F21°C5 mph7 km/h EastMostly Cloudy
11am70°F21°C6 mph9 km/h EastCloudy
12pm70°F21°C7 mph11 km/h EastCloudy
1pm68°F20°C7 mph12 km/h EastMostly Cloudy
2pm67°F19°C8 mph12 km/h EastMostly Cloudy
3pm65°F19°C7 mph12 km/h SoutheastMostly Cloudy
4pm64°F18°C7 mph11 km/h SoutheastMostly Cloudy
5pm62°F17°C6 mph9 km/h SoutheastPartly Cloudy
DateLowHighWindDayNight
August 2259°F15°C71°F21°C5 mph7 km/h from EastCloudyPartly Cloudy
August 2356°F13°C74°F23°C5 mph8 km/h from SoutheastMostly CloudyPartly Cloudy
August 2457°F14°C77°F25°C7 mph11 km/h from SouthClearPartly Cloudy
August 2562°F17°C74°F24°C9 mph14 km/h from SouthwestMostly CloudyPartly Cloudy
August 2658°F14°C70°F21°C10 mph16 km/h from SouthwestMostly CloudyRain
August 2758°F14°C68°F20°C6 mph10 km/h from SouthwestRainDrizzle
August 2856°F13°C68°F20°C5 mph9 km/h from SouthRainMostly Clear

Yes

Low of 55°F13°C, High of 74°F24°C
Wind: 5 mph8 km/h
Precipitation: None

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