Yes

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

Why? Because it's pretty chilly!
55°F13°C & Clear

Wind is 9 mph14 km/h from the East, gusting to 17 mph27 km/h
April 7
1pm54°F12°C9 mph14 km/h EastClear
2pm51°F11°C8 mph13 km/h EastClear
3pm48°F9°C7 mph11 km/h EastClear
4pm46°F8°C7 mph11 km/h EastMostly Clear
5pm44°F7°C6 mph10 km/h EastMostly Clear
6pm43°F6°C6 mph9 km/h EastMostly Clear
7pm42°F5°C5 mph9 km/h NortheastPartly Cloudy
8pm41°F5°C5 mph8 km/h NortheastMostly Clear
9pm40°F5°C5 mph8 km/h NortheastClear
10pm40°F4°C5 mph9 km/h NortheastClear
11pm40°F4°C6 mph9 km/h NortheastClear
April 8
12am39°F4°C6 mph9 km/h NortheastClear
DateLowHighWindDayNight
April 639°F4°C59°F15°C7 mph11 km/h from NortheastClearMostly Clear
April 739°F4°C58°F14°C7 mph11 km/h from NortheastPartly CloudyClear
April 839°F4°C58°F15°C10 mph16 km/h from NortheastMostly ClearMostly Clear
April 939°F4°C60°F16°C4 mph7 km/h from NortheastPartly CloudyClear
April 1041°F5°C68°F20°C4 mph7 km/h from NorthwestMostly CloudyPartly Cloudy
April 1144°F7°C66°F19°C5 mph9 km/h from SoutheastMostly ClearCloudy
April 1249°F9°C61°F16°C7 mph12 km/h from SouthwestMostly CloudyMostly Cloudy

Yes

Low of 38°F4°C, High of 58°F15°C
Wind: 7 mph11 km/h
Precipitation: None

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