Yes

you do need a jacket based on the weather in The City of Brighton and Hove, UK 1 second ago

Why? Because the cold's there, but it's just a reminder, not an invasion!
50°F10°C & Partly Cloudy

Wind is 6 mph10 km/h from the West, gusting to 12 mph20 km/h
November 2
11pm50°F10°C7 mph11 km/h WestPartly Cloudy
November 3
12am50°F10°C8 mph13 km/h WestPartly Cloudy
1am52°F11°C11 mph18 km/h WestMostly Cloudy
2am53°F12°C12 mph20 km/h SouthwestMostly Cloudy
3am54°F12°C15 mph25 km/h SouthwestWindy
4am54°F12°C16 mph26 km/h SouthwestWindy
5am55°F13°C18 mph29 km/h SouthwestWindy
6am56°F13°C19 mph30 km/h SouthwestWindy
7am56°F13°C19 mph30 km/h SouthwestWindy
8am57°F14°C19 mph31 km/h SouthwestWindy
9am57°F14°C21 mph33 km/h SouthwestWindy
10am58°F14°C22 mph35 km/h SouthwestDrizzle
DateLowHighWindDayNight
November 249°F9°C55°F13°C9 mph15 km/h from WestRainMostly Cloudy
November 350°F10°C59°F15°C21 mph33 km/h from SouthwestDrizzleWindy
November 456°F13°C59°F15°C18 mph28 km/h from SouthDrizzleWindy
November 557°F14°C61°F16°C15 mph24 km/h from SouthCloudyDrizzle
November 651°F11°C59°F15°C15 mph24 km/h from SouthwestDrizzlePartly Cloudy
November 751°F10°C57°F14°C19 mph31 km/h from SouthRainDrizzle
November 848°F9°C58°F14°C9 mph14 km/h from WestDrizzlePartly Cloudy

Yes

Low of 50°F10°C, High of 59°F15°C
Wind: 21 mph33 km/h
Precipitation: 47% rain

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