Yes

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

Why? Because the drizzle is not enough rain to call it "raining," but enough to make you a little soggy and it's pretty chilly and it's super windy outside!
58°F15°C & Drizzle

Wind is 15 mph24 km/h from the South, gusting to 26 mph42 km/h
November 4
5pm58°F15°C15 mph24 km/h SouthCloudy
6pm59°F15°C15 mph25 km/h SouthWindy
7pm59°F15°C15 mph25 km/h SouthWindy
8pm59°F15°C15 mph23 km/h SouthCloudy
9pm59°F15°C15 mph24 km/h SouthDrizzle
10pm59°F15°C15 mph24 km/h SouthDrizzle
11pm59°F15°C15 mph24 km/h SouthWindy
November 5
12am58°F15°C14 mph23 km/h SouthCloudy
1am58°F14°C14 mph22 km/h SouthCloudy
2am58°F14°C12 mph19 km/h SouthCloudy
3am58°F14°C11 mph17 km/h SouthMostly Cloudy
4am57°F14°C10 mph17 km/h SouthMostly Cloudy
DateLowHighWindDayNight
November 456°F13°C59°F15°C9 mph14 km/h from SouthDrizzleDrizzle
November 557°F14°C61°F16°C11 mph18 km/h from SoutheastCloudyMostly Cloudy
November 655°F13°C60°F16°C7 mph11 km/h from SouthDrizzleMostly Cloudy
November 754°F12°C58°F14°C9 mph14 km/h from SouthDrizzleDrizzle
November 848°F9°C58°F14°C5 mph8 km/h from SouthPartly CloudyPartly Cloudy
November 947°F8°C56°F13°C3 mph5 km/h from SouthMostly CloudyDrizzle
November 1049°F10°C55°F13°C8 mph13 km/h from SouthDrizzleMostly Cloudy

Yes

Low of 57°F14°C, High of 61°F16°C
Wind: 11 mph18 km/h
Precipitation: None

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