Yes

you do need a jacket based on the weather in Holburn, Berwick-upon-Tweed TD15 2UJ, UK 1 second ago

Why? Because it's cool. Pleasantly cool, but cool!
57°F14°C & Mostly Cloudy

Wind is 7 mph12 km/h from the West, gusting to 13 mph21 km/h
July 22
9pm57°F14°C7 mph12 km/h WestMostly Cloudy
10pm57°F14°C7 mph12 km/h WestMostly Cloudy
11pm57°F14°C7 mph12 km/h WestCloudy
July 23
12am57°F14°C7 mph12 km/h WestCloudy
1am57°F14°C7 mph12 km/h WestCloudy
2am57°F14°C7 mph12 km/h WestCloudy
3am58°F15°C7 mph12 km/h WestCloudy
4am60°F15°C8 mph12 km/h NorthwestCloudy
5am61°F16°C8 mph13 km/h NorthwestCloudy
6am63°F17°C9 mph15 km/h NorthwestCloudy
7am63°F17°C9 mph14 km/h NorthCloudy
8am65°F18°C8 mph14 km/h NorthCloudy
DateLowHighWindDayNight
July 2256°F14°C66°F19°C7 mph12 km/h from NorthwestCloudyMostly Cloudy
July 2356°F13°C68°F20°C6 mph9 km/h from NortheastMostly CloudyPartly Cloudy
July 2454°F12°C71°F22°C12 mph19 km/h from WestMostly CloudyPartly Cloudy
July 2552°F11°C66°F19°C11 mph18 km/h from WestCloudyPartly Cloudy
July 2652°F11°C66°F19°C12 mph19 km/h from WestMostly CloudyDrizzle
July 2753°F11°C68°F20°C14 mph22 km/h from SouthwestPartly CloudyDrizzle
July 2855°F13°C66°F19°C21 mph34 km/h from WestWindyWindy

Yes

Low of 56°F14°C, High of 68°F20°C
Wind: 6 mph9 km/h
Precipitation: 10% rain

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