Yes

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

Why? Because it's pretty chilly!
54°F12°C & Mostly Clear

Wind is 7 mph11 km/h from the West, gusting to 15 mph24 km/h
September 4
11pm54°F12°C7 mph11 km/h WestMostly Clear
September 5
12am54°F12°C7 mph12 km/h WestPartly Cloudy
1am54°F12°C7 mph11 km/h WestMostly Clear
2am54°F12°C6 mph10 km/h WestMostly Clear
3am56°F13°C7 mph11 km/h WestMostly Clear
4am58°F15°C9 mph14 km/h WestPartly Cloudy
5am60°F16°C10 mph16 km/h WestPartly Cloudy
6am62°F17°C10 mph16 km/h WestPartly Cloudy
7am62°F17°C10 mph16 km/h WestPartly Cloudy
8am64°F18°C11 mph17 km/h WestPartly Cloudy
9am64°F18°C10 mph16 km/h WestMostly Cloudy
10am65°F19°C9 mph15 km/h WestPartly Cloudy
DateLowHighWindDayNight
September 454°F12°C65°F19°C9 mph14 km/h from WestPartly CloudyMostly Cloudy
September 553°F12°C68°F20°C8 mph12 km/h from SoutheastCloudyMostly Cloudy
September 659°F15°C70°F21°C10 mph16 km/h from SoutheastDrizzleMostly Clear
September 753°F12°C66°F19°C12 mph20 km/h from SouthPartly CloudyPartly Cloudy
September 854°F12°C66°F19°C10 mph16 km/h from SouthDrizzlePartly Cloudy
September 954°F12°C64°F18°C7 mph11 km/h from SouthDrizzleDrizzle
September 1052°F11°C62°F17°C12 mph19 km/h from SouthwestDrizzlePartly Cloudy

Yes

Low of 53°F12°C, High of 68°F20°C
Wind: 8 mph12 km/h
Precipitation: None

Support This Page