Yes

you do need a jacket based on the weather in (Chiswick), England, United Kingdom 1 second ago

Why? Because it's windy enough to give you a brand new hairdo!
70°F21°C & Clear

Wind is 9 mph15 km/h from the Southwest, gusting to 23 mph37 km/h
June 27
6pm68°F20°C10 mph16 km/h SouthwestClear
7pm66°F19°C9 mph15 km/h SouthwestMostly Clear
8pm66°F19°C9 mph15 km/h SouthwestPartly Cloudy
9pm66°F19°C9 mph15 km/h SouthwestPartly Cloudy
10pm65°F19°C9 mph15 km/h SouthwestMostly Cloudy
11pm65°F19°C9 mph14 km/h SouthwestMostly Cloudy
June 28
12am66°F19°C8 mph13 km/h SouthwestCloudy
1am66°F19°C8 mph13 km/h SouthwestCloudy
2am67°F20°C9 mph15 km/h SouthwestCloudy
3am69°F21°C10 mph15 km/h SouthwestMostly Cloudy
4am71°F22°C10 mph15 km/h SouthwestCloudy
5am73°F23°C9 mph15 km/h SouthwestCloudy
DateLowHighWindDayNight
June 2656°F13°C80°F27°C8 mph13 km/h from SouthwestPartly CloudyPartly Cloudy
June 2765°F19°C83°F28°C10 mph17 km/h from SouthwestPartly CloudyMostly Clear
June 2863°F17°C85°F29°C3 mph5 km/h from WestMostly ClearMostly Clear
June 2966°F19°C88°F31°C6 mph10 km/h from SouthClearMostly Clear
June 3068°F20°C87°F31°C5 mph8 km/h from WestPartly CloudyMostly Cloudy
July 162°F17°C77°F25°C7 mph11 km/h from NortheastDrizzleDrizzle
July 256°F13°C72°F22°C9 mph15 km/h from NorthwestRainRain

No

Low of 65°F19°C, High of 83°F29°C
Wind: 10 mph17 km/h
Precipitation: None

Support This Page