Yes

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

Why? Because a jacket will keep you cozy, but you won't break a seat and it's really really huffing out there!
55°F13°C & Windy

Wind is 18 mph29 km/h from the West, gusting to 34 mph55 km/h
October 28
2am55°F13°C19 mph30 km/h WestWindy
3am55°F13°C19 mph30 km/h WestWindy
4am55°F13°C17 mph28 km/h WestWindy
5am54°F12°C15 mph25 km/h WestWindy
6am52°F11°C14 mph22 km/h WestMostly Clear
7am51°F11°C12 mph19 km/h WestMostly Clear
8am51°F11°C12 mph19 km/h WestMostly Clear
9am53°F12°C13 mph20 km/h WestMostly Clear
10am55°F13°C14 mph23 km/h WestPartly Cloudy
11am56°F13°C15 mph24 km/h WestWindy
12pm56°F14°C15 mph25 km/h WestWindy
1pm57°F14°C16 mph25 km/h WestWindy
DateLowHighWindDayNight
October 2851°F11°C57°F14°C13 mph22 km/h from WestMostly CloudyRain
October 2945°F7°C54°F12°C9 mph14 km/h from WestRainPartly Cloudy
October 3042°F5°C57°F14°C12 mph19 km/h from SoutheastRainRain
October 3153°F12°C59°F15°C14 mph23 km/h from SouthRainRain
November 147°F9°C54°F12°C17 mph27 km/h from SouthwestDrizzleDrizzle
November 243°F6°C50°F10°C10 mph16 km/h from WestDrizzleRain
November 341°F5°C54°F12°C16 mph26 km/h from SouthwestRainDrizzle

Yes

Low of 46°F8°C, High of 55°F13°C
Wind: 9 mph14 km/h
Precipitation: 88% rain

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