Yes

you do need a jacket based on the weather in Reynolds Rd, Hayes UB4 9BX, UK 21 minutes ago

Why? Because it's pretty chilly.
53°F11°C & Clear

Wind is 2 mph3 km/h from the W, gusting to 4 mph7 km/h
July 14
2am55°F13°C3 mph6 km/h SWClear
3am57°F14°C4 mph6 km/h SWClear
4am60°F16°C5 mph8 km/h WMostly Clear
5am63°F17°C7 mph11 km/h WPartly Cloudy
6am65°F19°C7 mph11 km/h WMostly Cloudy
7am67°F20°C8 mph12 km/h WMostly Cloudy
8am69°F20°C8 mph12 km/h WMostly Cloudy
9am70°F21°C8 mph12 km/h WMostly Cloudy
10am71°F21°C8 mph12 km/h SWCloudy
11am70°F21°C8 mph13 km/h SWCloudy
12pm69°F21°C9 mph14 km/h SWCloudy
1pm69°F21°C8 mph13 km/h SWMostly Cloudy
DateLowHighWindDayNight
July 1352°F11°C71°F21°C7 mph11 km/h from SWMostly CloudyMostly Clear
July 1453°F11°C70°F21°C6 mph9 km/h from SERainRain
July 1556°F13°C71°F22°C10 mph16 km/h from WMostly CloudyMostly Clear
July 1655°F13°C75°F24°C6 mph10 km/h from SWPartly CloudyMostly Cloudy
July 1757°F14°C72°F22°C8 mph13 km/h from SWDrizzlePartly Cloudy
July 1856°F14°C73°F23°C9 mph14 km/h from WMostly CloudyMostly Cloudy
July 1956°F13°C70°F21°C10 mph16 km/h from SWMostly CloudyCloudy

Yes

Low of 53°F12°C, High of 70°F21°C
Wind: 6 mph9 km/h
Precipitation: 58% rain

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