Yes

you do need a jacket based on the weather in Las Vegas, NV, USA 3 minutes ago

Why? Because there are strong winds blowing out there!
69°F20°C & Windy

Wind is 17 mph28 km/h from the Southwest, gusting to 30 mph48 km/h
October 15
12am67°F19°C17 mph28 km/h SouthwestWindy
1am64°F18°C12 mph19 km/h SouthwestDrizzle
2am61°F16°C11 mph18 km/h SouthwestDrizzle
3am60°F15°C7 mph11 km/h SouthwestDrizzle
4am59°F15°C4 mph6 km/h SouthwestDrizzle
5am57°F14°C5 mph8 km/h SouthDrizzle
6am56°F13°C6 mph10 km/h SouthwestDrizzle
7am55°F13°C6 mph10 km/h SouthwestMostly Clear
8am54°F12°C6 mph10 km/h SouthMostly Clear
9am53°F11°C6 mph10 km/h SouthwestMostly Clear
10am52°F11°C7 mph10 km/h SouthMostly Clear
11am51°F10°C6 mph10 km/h SouthClear
DateLowHighWindDayNight
October 1455°F13°C73°F23°C13 mph21 km/h from SouthPartly CloudyDrizzle
October 1548°F9°C66°F19°C4 mph6 km/h from WestClearClear
October 1648°F9°C71°F22°C3 mph6 km/h from NorthClearClear
October 1751°F11°C74°F23°C4 mph6 km/h from NortheastClearClear
October 1852°F11°C78°F26°C2 mph3 km/h from EastClearMostly Clear
October 1955°F13°C80°F27°C3 mph5 km/h from EastPartly CloudyClear
October 2057°F14°C75°F24°C6 mph10 km/h from SouthMostly ClearMostly Clear

Yes

Low of 48°F9°C, High of 66°F19°C
Wind: 4 mph6 km/h
Precipitation: None

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