Yes

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

Why? Because sorry, it's too cool for just a hoodie!
57°F14°C & Cloudy

Wind is 4 mph7 km/h from the West, gusting to 11 mph18 km/h
July 27
2am57°F14°C5 mph8 km/h WestCloudy
3am58°F15°C6 mph9 km/h WestCloudy
4am60°F16°C8 mph12 km/h WestCloudy
5am62°F17°C9 mph14 km/h WestMostly Cloudy
6am64°F18°C10 mph15 km/h WestMostly Cloudy
7am65°F18°C10 mph16 km/h NorthwestCloudy
8am65°F19°C10 mph17 km/h WestCloudy
9am66°F19°C10 mph17 km/h NorthwestMostly Cloudy
10am67°F19°C11 mph19 km/h WestMostly Cloudy
11am67°F19°C12 mph19 km/h WestMostly Cloudy
12pm66°F19°C12 mph19 km/h WestMostly Cloudy
1pm66°F19°C12 mph20 km/h WestMostly Cloudy
DateLowHighWindDayNight
July 2654°F12°C67°F19°C10 mph16 km/h from WestMostly CloudyMostly Clear
July 2753°F12°C71°F21°C11 mph17 km/h from WestPartly CloudyPartly Cloudy
July 2852°F11°C69°F20°C5 mph8 km/h from NorthwestRainMostly Clear
July 2951°F10°C73°F23°C5 mph9 km/h from NorthwestPartly CloudyMostly Cloudy
July 3056°F13°C71°F22°C7 mph11 km/h from WestMostly CloudyDrizzle
July 3155°F13°C66°F19°C9 mph14 km/h from NorthDrizzleDrizzle
August 154°F12°C67°F19°C10 mph17 km/h from NorthwestDrizzlePartly Cloudy

Yes

Low of 54°F12°C, High of 71°F22°C
Wind: 11 mph17 km/h
Precipitation: None

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