Yes

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

Why? Because you're not freezing, but you’ll definitely start complaining if it lasts much longer!
45°F7°C & Mostly Cloudy

Wind is 6 mph9 km/h from the Southeast, gusting to 7 mph12 km/h
January 16
12pm44°F7°C7 mph11 km/h SoutheastMostly Cloudy
1pm44°F6°C7 mph11 km/h SoutheastMostly Cloudy
2pm43°F6°C6 mph10 km/h SoutheastMostly Cloudy
3pm42°F6°C6 mph9 km/h SoutheastMostly Cloudy
4pm42°F6°C6 mph9 km/h SoutheastMostly Cloudy
5pm41°F5°C6 mph9 km/h SoutheastPartly Cloudy
6pm41°F5°C7 mph11 km/h SoutheastPartly Cloudy
7pm40°F5°C8 mph13 km/h SouthPartly Cloudy
8pm40°F4°C8 mph13 km/h SouthPartly Cloudy
9pm39°F4°C8 mph13 km/h SouthPartly Cloudy
10pm39°F4°C8 mph13 km/h SouthMostly Cloudy
11pm39°F4°C7 mph12 km/h SouthMostly Cloudy
DateLowHighWindDayNight
January 1540°F5°C48°F9°C5 mph8 km/h from SoutheastMostly CloudyPartly Cloudy
January 1638°F3°C43°F6°C5 mph8 km/h from SouthPartly CloudyMostly Cloudy
January 1736°F2°C42°F5°C6 mph10 km/h from EastMostly CloudyMostly Cloudy
January 1836°F2°C43°F6°C8 mph13 km/h from SouthCloudyMostly Cloudy
January 1942°F5°C46°F8°C9 mph15 km/h from SouthMostly CloudyMostly Cloudy
January 2041°F5°C46°F8°C9 mph15 km/h from SoutheastCloudyMostly Cloudy
January 2138°F3°C47°F9°C10 mph16 km/h from SoutheastDrizzleMostly Cloudy

Yes

Low of 37°F3°C, High of 44°F7°C
Wind: 5 mph8 km/h
Precipitation: None

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