Yes

you do need a jacket based on the weather in Southend-on-Sea, UK 1 second ago

Why? Because a jacket will keep you cozy, but you won't break a seat and it's so windy, your hat is now someone else's problem, two cities away!
53°F12°C & Windy

Wind is 16 mph26 km/h from the Southwest, gusting to 29 mph46 km/h
October 28
2am53°F12°C17 mph28 km/h WestWindy
3am53°F12°C18 mph28 km/h WestWindy
4am53°F12°C18 mph29 km/h WestWindy
5am53°F12°C18 mph28 km/h WestWindy
6am53°F12°C17 mph28 km/h SouthwestWindy
7am54°F12°C17 mph27 km/h WestWindy
8am54°F12°C17 mph27 km/h WestWindy
9am55°F13°C15 mph25 km/h WestWindy
10am56°F13°C16 mph26 km/h WestWindy
11am57°F14°C16 mph26 km/h WestWindy
12pm57°F14°C16 mph26 km/h WestWindy
1pm58°F14°C16 mph26 km/h WestWindy
DateLowHighWindDayNight
October 2850°F10°C58°F14°C15 mph24 km/h from WestMostly CloudyCloudy
October 2946°F8°C58°F14°C9 mph15 km/h from SouthwestDrizzleMostly Clear
October 3043°F6°C56°F13°C9 mph14 km/h from SouthMostly CloudyDrizzle
October 3155°F13°C61°F16°C15 mph24 km/h from SouthMostly CloudyRain
November 148°F9°C57°F14°C19 mph31 km/h from SouthwestWindyRain
November 245°F7°C52°F11°C10 mph16 km/h from SouthwestRainRain
November 344°F7°C56°F13°C15 mph24 km/h from SouthwestRainDrizzle

Yes

Low of 46°F8°C, High of 57°F14°C
Wind: 9 mph15 km/h
Precipitation: 70% rain

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