Yes

you do need a jacket based on the weather in Alison Cl, London E6 5NJ, UK 1 second ago

Why? Because it's so windy, your hat will probably launch into orbit!
63°F17°C & Partly Cloudy

Wind is 12 mph19 km/h from the West, gusting to 28 mph45 km/h
June 6
8am63°F17°C12 mph20 km/h WestPartly Cloudy
9am64°F18°C12 mph19 km/h WestMostly Cloudy
10am65°F18°C11 mph18 km/h WestMostly Cloudy
11am66°F19°C11 mph18 km/h WestCloudy
12pm65°F19°C11 mph18 km/h WestMostly Cloudy
1pm65°F18°C11 mph17 km/h WestMostly Cloudy
2pm63°F17°C10 mph16 km/h WestCloudy
3pm62°F16°C8 mph13 km/h WestCloudy
4pm60°F15°C7 mph11 km/h SouthwestCloudy
5pm58°F14°C7 mph11 km/h SouthwestCloudy
6pm56°F14°C7 mph11 km/h SouthwestCloudy
7pm55°F13°C7 mph12 km/h SouthwestCloudy
DateLowHighWindDayNight
June 552°F11°C66°F19°C10 mph15 km/h from WestDrizzleDrizzle
June 652°F11°C63°F17°C10 mph16 km/h from SouthwestDrizzleDrizzle
June 748°F9°C64°F18°C11 mph17 km/h from WestPartly CloudyMostly Clear
June 851°F10°C70°F21°C7 mph11 km/h from WestPartly CloudyPartly Cloudy
June 954°F12°C76°F25°C6 mph10 km/h from WestPartly CloudyMostly Clear
June 1056°F13°C78°F26°C7 mph11 km/h from EastPartly CloudyPartly Cloudy
June 1161°F16°C79°F26°C7 mph12 km/h from SouthMostly CloudyPartly Cloudy

Yes

Low of 53°F12°C, High of 63°F17°C
Wind: 10 mph16 km/h
Precipitation: 62% rain

Support This Page