Yes

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

Why? Because it's on the windy side!
69°F20°C & Mostly Cloudy

Wind is 9 mph14 km/h from the North, gusting to 22 mph35 km/h
August 1
10am68°F20°C9 mph15 km/h NorthMostly Cloudy
11am67°F19°C9 mph14 km/h NorthMostly Cloudy
12pm66°F19°C6 mph10 km/h NorthMostly Cloudy
1pm67°F19°C6 mph9 km/h NorthPartly Cloudy
2pm65°F18°C6 mph10 km/h NorthMostly Cloudy
3pm63°F17°C5 mph9 km/h NorthMostly Cloudy
4pm61°F16°C4 mph7 km/h NorthPartly Cloudy
5pm60°F16°C4 mph6 km/h NorthwestPartly Cloudy
6pm59°F15°C3 mph5 km/h NorthwestMostly Cloudy
7pm59°F15°C3 mph5 km/h NorthwestPartly Cloudy
8pm58°F14°C4 mph6 km/h NorthwestMostly Clear
9pm56°F13°C4 mph7 km/h NorthwestMostly Clear
DateLowHighWindDayNight
July 3155°F13°C69°F21°C6 mph9 km/h from NorthRainPartly Cloudy
August 153°F12°C71°F22°C6 mph10 km/h from NorthwestPartly CloudyPartly Cloudy
August 256°F14°C74°F23°C9 mph15 km/h from WestCloudyMostly Cloudy
August 357°F14°C72°F22°C12 mph19 km/h from SouthwestDrizzleMostly Clear
August 455°F13°C70°F21°C11 mph18 km/h from NorthwestPartly CloudyMostly Clear
August 553°F11°C72°F22°C4 mph7 km/h from SouthwestPartly CloudyMostly Cloudy
August 657°F14°C72°F22°C8 mph13 km/h from SouthwestMostly CloudyPartly Cloudy

Yes

Low of 53°F12°C, High of 72°F22°C
Wind: 6 mph10 km/h
Precipitation: None

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