Yes

you do need a jacket based on the weather in Miami Beach, FL, USA 1 minute ago

Why? Because it's windy enough to give you a brand new hairdo!
84°F29°C & Windy

Wind is 19 mph30 km/h from the Northeast, gusting to 25 mph40 km/h
October 24
9pm84°F29°C20 mph32 km/h NortheastWindy
10pm83°F28°C20 mph33 km/h NortheastWindy
11pm81°F27°C21 mph33 km/h NortheastWindy
October 25
12am80°F27°C20 mph33 km/h NortheastWindy
1am80°F26°C20 mph33 km/h NortheastWindy
2am79°F26°C20 mph33 km/h NortheastWindy
3am78°F26°C21 mph33 km/h NortheastWindy
4am78°F26°C20 mph33 km/h NortheastWindy
5am78°F25°C20 mph33 km/h NortheastWindy
6am77°F25°C20 mph32 km/h NortheastWindy
7am77°F25°C20 mph32 km/h NortheastWindy
8am77°F25°C20 mph32 km/h NortheastWindy
DateLowHighWindDayNight
October 2478°F26°C84°F29°C15 mph24 km/h from NortheastWindyWindy
October 2577°F25°C84°F29°C20 mph32 km/h from NortheastDrizzleDrizzle
October 2677°F25°C85°F29°C16 mph26 km/h from EastRainRain
October 2777°F25°C85°F29°C9 mph14 km/h from EastRainRain
October 2875°F24°C85°F30°C8 mph13 km/h from NorthMostly ClearMostly Clear
October 2973°F23°C83°F29°C9 mph15 km/h from NorthRainRain
October 3067°F19°C77°F25°C16 mph25 km/h from NorthwestRainMostly Clear

No

Low of 77°F25°C, High of 84°F29°C
Wind: 20 mph32 km/h
Precipitation: 40% rain

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