No

you don't need a jacket based on the weather in London SW17, UK 1 second ago

76°F24°C & Partly Cloudy

Wind is 6 mph10 km/h from the Southwest, gusting to 16 mph26 km/h
June 25
3pm75°F24°C6 mph10 km/h SouthwestPartly Cloudy
4pm72°F22°C6 mph9 km/h SouthwestCloudy
5pm70°F21°C5 mph8 km/h SouthwestMostly Cloudy
6pm68°F20°C4 mph7 km/h SouthwestCloudy
7pm66°F19°C5 mph8 km/h SouthwestCloudy
8pm66°F19°C5 mph8 km/h SouthwestCloudy
9pm64°F18°C5 mph9 km/h SouthwestDrizzle
10pm63°F17°C6 mph10 km/h SouthwestCloudy
11pm63°F17°C6 mph10 km/h SouthwestCloudy
June 26
12am62°F17°C6 mph10 km/h SouthwestCloudy
1am62°F17°C7 mph11 km/h SouthwestCloudy
2am63°F17°C8 mph13 km/h SouthwestCloudy
DateLowHighWindDayNight
June 2461°F16°C80°F27°C4 mph7 km/h from SouthwestMostly CloudyMostly Cloudy
June 2561°F16°C76°F24°C13 mph21 km/h from SouthwestMostly CloudyMostly Cloudy
June 2657°F14°C77°F25°C10 mph16 km/h from SouthwestPartly CloudyPartly Cloudy
June 2762°F17°C81°F27°C9 mph15 km/h from SouthwestMostly CloudyMostly Clear
June 2863°F17°C85°F29°C5 mph8 km/h from SouthwestMostly ClearMostly Clear
June 2964°F18°C87°F31°C7 mph12 km/h from SouthwestMostly ClearMostly Clear
June 3065°F18°C81°F27°C5 mph8 km/h from WestPartly CloudyMostly Cloudy

No

Low of 61°F16°C, High of 76°F25°C
Wind: 13 mph21 km/h
Precipitation: 12% rain

Support This Page