No

you don't need a jacket based on the weather in York, UK 1 second ago

60°F15°C & Mostly Cloudy

Wind is 2 mph3 km/h from the South, gusting to 6 mph9 km/h
July 21
4am61°F16°C2 mph2 km/h SouthwestMostly Cloudy
5am64°F18°C2 mph3 km/h SoutheastMostly Cloudy
6am66°F19°C2 mph4 km/h SoutheastMostly Cloudy
7am67°F20°C2 mph4 km/h SouthMostly Cloudy
8am69°F20°C2 mph4 km/h SouthMostly Cloudy
9am70°F21°C3 mph4 km/h SoutheastMostly Cloudy
10am70°F21°C3 mph5 km/h SoutheastMostly Cloudy
11am70°F21°C4 mph7 km/h EastCloudy
12pm69°F20°C4 mph6 km/h EastDrizzle
1pm68°F20°C3 mph6 km/h SoutheastMostly Cloudy
2pm67°F20°C3 mph5 km/h SouthMostly Cloudy
3pm67°F19°C2 mph3 km/h SouthMostly Clear
DateLowHighWindDayNight
July 2057°F14°C70°F21°C3 mph4 km/h from SoutheastRainPartly Cloudy
July 2157°F14°C70°F21°C8 mph12 km/h from WestDrizzleDrizzle
July 2255°F13°C68°F20°C9 mph14 km/h from NorthwestRainDrizzle
July 2357°F14°C72°F22°C8 mph13 km/h from NorthwestDrizzlePartly Cloudy
July 2456°F13°C73°F23°C9 mph15 km/h from WestMostly CloudyMostly Clear
July 2556°F13°C70°F21°C11 mph18 km/h from WestMostly CloudyMostly Cloudy
July 2655°F13°C70°F21°C10 mph16 km/h from WestDrizzleDrizzle

Yes

Low of 57°F14°C, High of 70°F21°C
Wind: 8 mph12 km/h
Precipitation: 40% rain

Support This Page