Yes

you do need a jacket based on the weather in York, UK 15 minutes ago

Why? Because it's so gusty, you’re basically doing accidental parkour!
65°F18°C & Mostly Cloudy

Wind is 11 mph18 km/h from the Southwest, gusting to 23 mph37 km/h
September 17
3pm63°F17°C11 mph18 km/h SouthwestMostly Cloudy
4pm62°F17°C11 mph17 km/h SouthwestMostly Cloudy
5pm61°F16°C10 mph16 km/h SouthwestPartly Cloudy
6pm59°F15°C10 mph16 km/h SouthwestPartly Cloudy
7pm58°F15°C9 mph15 km/h SouthwestMostly Cloudy
8pm58°F14°C9 mph15 km/h SouthwestMostly Cloudy
9pm57°F14°C9 mph15 km/h SouthwestPartly Cloudy
10pm56°F13°C9 mph14 km/h SouthwestPartly Cloudy
11pm56°F13°C9 mph14 km/h SouthwestPartly Cloudy
September 18
12am55°F13°C9 mph14 km/h SouthwestPartly Cloudy
1am54°F12°C8 mph13 km/h SouthwestMostly Cloudy
2am54°F12°C7 mph12 km/h SouthwestMostly Cloudy
DateLowHighWindDayNight
September 1652°F11°C69°F21°C13 mph20 km/h from SouthRainMostly Cloudy
September 1754°F12°C71°F22°C12 mph19 km/h from SouthwestMostly CloudyMostly Cloudy
September 1861°F16°C71°F22°C12 mph19 km/h from SouthwestDrizzleDrizzle
September 1954°F12°C61°F16°C8 mph13 km/h from NortheastRainRain
September 2048°F9°C56°F13°C14 mph23 km/h from NorthDrizzleRain
September 2144°F7°C57°F14°C13 mph21 km/h from NorthPartly CloudyMostly Clear
September 2242°F5°C59°F15°C11 mph18 km/h from NorthMostly CloudyDrizzle

Yes

Low of 54°F12°C, High of 71°F22°C
Wind: 12 mph19 km/h
Precipitation: 28% rain

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