Yes

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

Why? Because it's so windy, your hat will probably launch into orbit!
62°F17°C & Windy

Wind is 16 mph26 km/h from the Southwest, gusting to 28 mph45 km/h
July 4
8pm62°F17°C17 mph27 km/h SouthwestWindy
9pm61°F16°C16 mph26 km/h SouthwestWindy
10pm61°F16°C16 mph25 km/h SouthwestWindy
11pm61°F16°C15 mph25 km/h SouthwestWindy
July 5
12am61°F16°C15 mph23 km/h SouthwestMostly Cloudy
1am61°F16°C14 mph23 km/h SouthwestMostly Cloudy
2am63°F17°C15 mph25 km/h SouthwestWindy
3am65°F18°C17 mph27 km/h WestWindy
4am68°F20°C18 mph29 km/h WestWindy
5am71°F21°C18 mph28 km/h WestWindy
6am73°F23°C17 mph27 km/h WestWindy
7am74°F24°C17 mph27 km/h WestWindy
DateLowHighWindDayNight
July 461°F16°C77°F25°C17 mph28 km/h from WestWindyMostly Cloudy
July 557°F14°C68°F20°C12 mph19 km/h from NorthwestRainDrizzle
July 653°F11°C68°F20°C15 mph24 km/h from NorthwestWindyMostly Clear
July 751°F11°C72°F22°C10 mph16 km/h from NorthwestMostly ClearPartly Cloudy
July 855°F13°C77°F25°C8 mph13 km/h from WestPartly CloudyMostly Clear
July 957°F14°C80°F27°C5 mph8 km/h from SouthwestPartly CloudyMostly Clear
July 1060°F16°C80°F27°C10 mph16 km/h from SouthwestPartly CloudyPartly Cloudy

Yes

Low of 57°F14°C, High of 68°F20°C
Wind: 12 mph19 km/h
Precipitation: 60% rain

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