Yes

you do need a jacket based on the weather in Brighton and Hove (Brighton), England, United Kingdom 13 minutes ago

Why? Because it's cool. Pleasantly cool, but cool and the wind could blow a wig clean off your head!
56°F13°C & Mostly Cloudy

Wind is 12 mph20 km/h from the Southwest, gusting to 21 mph34 km/h
April 22
11am56°F13°C12 mph20 km/h SouthwestMostly Cloudy
12pm56°F13°C12 mph19 km/h SouthwestMostly Cloudy
1pm55°F13°C11 mph18 km/h SouthwestMostly Clear
2pm54°F12°C10 mph17 km/h SouthwestMostly Clear
3pm52°F11°C9 mph15 km/h SouthwestPartly Cloudy
4pm51°F11°C9 mph14 km/h SouthMostly Clear
5pm51°F10°C9 mph14 km/h SouthPartly Cloudy
6pm50°F10°C10 mph15 km/h SouthCloudy
7pm50°F10°C11 mph17 km/h SouthCloudy
8pm51°F10°C13 mph20 km/h SouthCloudy
9pm51°F10°C14 mph23 km/h SouthDrizzle
10pm50°F10°C16 mph25 km/h SouthRain
DateLowHighWindDayNight
April 2144°F7°C57°F14°C9 mph14 km/h from SouthwestMostly CloudyRain
April 2249°F9°C56°F14°C12 mph20 km/h from EastRainMostly Cloudy
April 2346°F8°C58°F15°C6 mph10 km/h from NorthPartly CloudyPartly Cloudy
April 2444°F7°C59°F15°C8 mph12 km/h from EastPartly CloudyCloudy
April 2549°F9°C61°F16°C4 mph6 km/h from SouthMostly CloudyPartly Cloudy
April 2649°F9°C62°F17°C6 mph10 km/h from SouthwestPartly CloudyPartly Cloudy
April 2748°F9°C66°F19°C8 mph13 km/h from SoutheastMostly CloudyPartly Cloudy

Yes

Low of 48°F9°C, High of 56°F14°C
Wind: 12 mph20 km/h
Precipitation: 74% rain

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