Yes

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

Why? Because it's on the windy side!
62°F17°C & Partly Cloudy

Wind is 12 mph19 km/h from the West, gusting to 24 mph38 km/h
August 8
6am64°F18°C12 mph19 km/h WestPartly Cloudy
7am66°F19°C12 mph19 km/h WestPartly Cloudy
8am67°F20°C12 mph19 km/h WestPartly Cloudy
9am69°F20°C11 mph18 km/h WestPartly Cloudy
10am70°F21°C11 mph18 km/h WestMostly Clear
11am70°F21°C11 mph18 km/h WestMostly Clear
12pm70°F21°C11 mph17 km/h WestMostly Clear
1pm69°F21°C10 mph16 km/h WestMostly Clear
2pm68°F20°C9 mph14 km/h WestMostly Clear
3pm67°F19°C7 mph11 km/h SouthwestMostly Clear
4pm64°F18°C6 mph10 km/h SouthwestClear
5pm61°F16°C7 mph11 km/h SouthwestClear
DateLowHighWindDayNight
August 756°F13°C70°F21°C11 mph17 km/h from WestPartly CloudyMostly Clear
August 856°F13°C70°F21°C14 mph23 km/h from WestPartly CloudyMostly Clear
August 952°F11°C73°F23°C5 mph8 km/h from SouthwestPartly CloudyMostly Clear
August 1054°F12°C77°F25°C3 mph5 km/h from SouthwestMostly CloudyMostly Cloudy
August 1161°F16°C80°F27°C6 mph9 km/h from SoutheastPartly CloudyMostly Clear
August 1261°F16°C75°F24°C8 mph13 km/h from WestPartly CloudyPartly Cloudy
August 1356°F14°C73°F23°C5 mph7 km/h from SouthwestMostly CloudyPartly Cloudy

Yes

Low of 56°F14°C, High of 70°F21°C
Wind: 14 mph23 km/h
Precipitation: None

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