Yes

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

Why? Because looks like it's raining and it's cool. Pleasantly cool, but cool and it's super windy outside!
58°F14°C & Rain

Wind is 17 mph27 km/h from the West, gusting to 29 mph46 km/h
September 16
6am58°F14°C17 mph28 km/h WestDrizzle
7am59°F15°C18 mph28 km/h WestWindy
8am59°F15°C18 mph29 km/h WestWindy
9am60°F15°C17 mph27 km/h WestWindy
10am60°F16°C17 mph27 km/h WestWindy
11am60°F16°C16 mph26 km/h WestWindy
12pm60°F16°C16 mph26 km/h WestWindy
1pm59°F15°C14 mph23 km/h WestMostly Cloudy
2pm59°F15°C13 mph20 km/h WestMostly Cloudy
3pm58°F14°C11 mph17 km/h WestCloudy
4pm57°F14°C9 mph15 km/h WestCloudy
5pm56°F13°C8 mph13 km/h SouthwestCloudy
DateLowHighWindDayNight
September 1555°F13°C60°F16°C16 mph26 km/h from WestRainRain
September 1653°F12°C65°F19°C16 mph26 km/h from SouthwestRainRain
September 1756°F14°C65°F18°C17 mph27 km/h from SouthwestRainRain
September 1856°F14°C65°F18°C10 mph17 km/h from SouthwestRainDrizzle
September 1951°F11°C58°F14°C10 mph17 km/h from NortheastRainRain
September 2045°F7°C56°F13°C16 mph26 km/h from NortheastDrizzlePartly Cloudy
September 2143°F6°C58°F14°C13 mph21 km/h from NortheastPartly CloudyPartly Cloudy

Yes

Low of 53°F12°C, High of 65°F19°C
Wind: 16 mph26 km/h
Precipitation: 92% rain

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