Yes

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

Why? Because just cool enough for a jacket, but not warm enough to ditch it!
54°F12°C & Mostly Cloudy

Wind is 6 mph10 km/h from the South, gusting to 12 mph20 km/h
August 27
11pm54°F12°C7 mph11 km/h SouthCloudy
August 28
12am54°F12°C7 mph12 km/h SouthCloudy
1am54°F12°C7 mph12 km/h SouthCloudy
2am55°F13°C8 mph12 km/h SouthMostly Cloudy
3am56°F13°C8 mph13 km/h SouthMostly Cloudy
4am58°F15°C11 mph17 km/h SouthMostly Cloudy
5am60°F15°C11 mph17 km/h SouthCloudy
6am61°F16°C11 mph18 km/h SouthwestDrizzle
7am61°F16°C12 mph19 km/h SouthwestDrizzle
8am61°F16°C12 mph19 km/h SouthwestDrizzle
9am61°F16°C12 mph20 km/h SouthwestDrizzle
10am61°F16°C12 mph19 km/h SouthwestDrizzle
DateLowHighWindDayNight
August 2754°F12°C61°F16°C11 mph17 km/h from SouthwestDrizzleDrizzle
August 2852°F11°C64°F18°C9 mph15 km/h from WestDrizzlePartly Cloudy
August 2953°F12°C67°F19°C14 mph23 km/h from SouthRainDrizzle
August 3054°F12°C64°F18°C18 mph29 km/h from SouthwestDrizzleDrizzle
August 3153°F12°C63°F17°C10 mph15 km/h from WestRainDrizzle
September 152°F11°C63°F17°C8 mph13 km/h from SouthwestDrizzleDrizzle
September 251°F11°C62°F16°C8 mph14 km/h from EastRainRain

Yes

Low of 52°F11°C, High of 64°F18°C
Wind: 9 mph15 km/h
Precipitation: 31% rain

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