Yes

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

Why? Because just cool enough for a jacket, but not warm enough to ditch it and the wind makes walking forward feel like moonwalking in reverse!
56°F14°C & Windy

Wind is 16 mph25 km/h from the South, gusting to 25 mph41 km/h
November 9
5pm56°F13°C16 mph25 km/h SouthWindy
6pm56°F13°C16 mph25 km/h SouthWindy
7pm56°F13°C17 mph27 km/h SouthWindy
8pm56°F13°C17 mph28 km/h SouthWindy
9pm56°F13°C19 mph30 km/h SouthDrizzle
10pm56°F13°C19 mph31 km/h SouthDrizzle
11pm55°F13°C19 mph31 km/h SouthDrizzle
November 10
12am55°F13°C19 mph31 km/h SouthRain
1am55°F13°C20 mph32 km/h SouthRain
2am55°F13°C19 mph31 km/h SouthRain
3am55°F13°C20 mph32 km/h SouthRain
4am55°F13°C21 mph33 km/h SouthDrizzle
DateLowHighWindDayNight
November 948°F9°C57°F14°C11 mph18 km/h from SouthMostly CloudyRain
November 1051°F11°C57°F14°C17 mph28 km/h from SouthwestRainMostly Cloudy
November 1151°F11°C59°F15°C21 mph34 km/h from SouthRainRain
November 1256°F13°C60°F15°C15 mph24 km/h from SouthDrizzleRain
November 1355°F13°C60°F16°C8 mph13 km/h from SouthRainRain
November 1455°F13°C61°F16°C11 mph18 km/h from SoutheastRainDrizzle
November 1548°F9°C55°F13°C12 mph20 km/h from EastDrizzlePartly Cloudy

Yes

Low of 51°F11°C, High of 57°F14°C
Wind: 17 mph28 km/h
Precipitation: 85% rain

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