No

you don't need a jacket based on the weather in Las Vegas, NV, USA 3 minutes ago

73°F23°C & Clear

Wind is 2 mph3 km/h from the Northeast, gusting to 6 mph10 km/h
November 1
6pm74°F23°C3 mph5 km/h EastClear
7pm77°F25°C3 mph6 km/h EastClear
8pm80°F27°C4 mph6 km/h EastClear
9pm82°F28°C3 mph5 km/h EastClear
10pm83°F28°C3 mph5 km/h EastClear
11pm82°F28°C2 mph4 km/h EastClear
November 2
12am81°F27°C2 mph3 km/h SoutheastClear
1am75°F24°C2 mph2 km/h SoutheastClear
2am72°F22°C2 mph3 km/h WestClear
3am69°F20°C3 mph5 km/h NorthwestClear
4am66°F19°C3 mph6 km/h NorthwestClear
5am64°F18°C4 mph6 km/h NorthwestClear
DateLowHighWindDayNight
November 154°F12°C83°F28°C2 mph4 km/h from EastClearClear
November 253°F11°C81°F27°C2 mph3 km/h from EastMostly ClearPartly Cloudy
November 353°F12°C79°F26°C3 mph5 km/h from EastPartly CloudyMostly Clear
November 451°F10°C79°F26°C3 mph5 km/h from EastClearClear
November 551°F11°C79°F26°C7 mph11 km/h from SouthPartly CloudyPartly Cloudy
November 652°F11°C76°F25°C2 mph3 km/h from SoutheastClearClear
November 752°F11°C77°F25°C2 mph3 km/h from EastClearClear

Yes

Low of 53°F12°C, High of 81°F27°C
Wind: 2 mph3 km/h
Precipitation: None

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