Yes

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

Why? Because the wind could blow a wig clean off your head!
65°F18°C & Partly Cloudy

Wind is 11 mph17 km/h from the West, gusting to 23 mph37 km/h
September 4
1pm65°F18°C11 mph17 km/h WestPartly Cloudy
2pm63°F17°C9 mph14 km/h WestMostly Clear
3pm61°F16°C6 mph10 km/h WestClear
4pm59°F15°C6 mph10 km/h WestClear
5pm58°F15°C6 mph10 km/h WestClear
6pm57°F14°C6 mph9 km/h WestClear
7pm56°F13°C6 mph9 km/h WestClear
8pm55°F13°C6 mph9 km/h WestClear
9pm55°F13°C5 mph9 km/h WestClear
10pm54°F12°C5 mph8 km/h WestClear
11pm53°F12°C4 mph7 km/h WestClear
September 5
12am53°F11°C4 mph7 km/h WestClear
DateLowHighWindDayNight
September 356°F13°C66°F19°C9 mph14 km/h from SouthwestRainClear
September 452°F11°C69°F21°C6 mph9 km/h from WestPartly CloudyMostly Cloudy
September 554°F12°C71°F22°C8 mph13 km/h from SoutheastMostly CloudyMostly Cloudy
September 660°F16°C71°F22°C9 mph15 km/h from SouthRainMostly Clear
September 755°F13°C69°F20°C10 mph17 km/h from SouthPartly CloudyPartly Cloudy
September 856°F14°C67°F20°C10 mph17 km/h from SouthwestDrizzleDrizzle
September 956°F14°C66°F19°C11 mph18 km/h from SouthDrizzleRain

Yes

Low of 52°F11°C, High of 69°F21°C
Wind: 6 mph9 km/h
Precipitation: None

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