Yes

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

Why? Because this drizzle is just a polite way of saying, “Get ready, the big stuff's coming.” and it's super windy outside!
63°F17°C & Drizzle

Wind is 14 mph23 km/h from the Southwest, gusting to 29 mph47 km/h
July 15
9am65°F18°C16 mph25 km/h SouthwestDrizzle
10am67°F19°C16 mph26 km/h SouthwestDrizzle
11am67°F19°C17 mph27 km/h SouthwestDrizzle
12pm65°F19°C14 mph23 km/h WestRain
1pm65°F19°C15 mph24 km/h WestDrizzle
2pm64°F18°C16 mph26 km/h WestWindy
3pm63°F17°C17 mph27 km/h WestWindy
4pm62°F17°C18 mph29 km/h WestWindy
5pm61°F16°C18 mph29 km/h WestWindy
6pm60°F16°C17 mph28 km/h WestWindy
7pm59°F15°C18 mph29 km/h WestDrizzle
8pm59°F15°C19 mph31 km/h WestWindy
DateLowHighWindDayNight
July 1456°F13°C67°F19°C13 mph21 km/h from SouthwestRainDrizzle
July 1558°F14°C68°F20°C10 mph17 km/h from NorthwestMostly CloudyMostly Cloudy
July 1658°F14°C74°F24°C6 mph10 km/h from SouthMostly CloudyDrizzle
July 1761°F16°C71°F22°C5 mph8 km/h from NorthwestDrizzleMostly Cloudy
July 1861°F16°C70°F21°C7 mph11 km/h from SoutheastRainRain
July 1960°F15°C71°F22°C7 mph12 km/h from SouthRainRain
July 2056°F14°C67°F20°C9 mph14 km/h from WestRainDrizzle

Yes

Low of 58°F15°C, High of 68°F20°C
Wind: 10 mph17 km/h
Precipitation: 9% rain

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