Yes

you do need a jacket based on the weather in Lhasa, Tibet, China 1 second ago

Why? Because just cool enough for a jacket, but not warm enough to ditch it!
56°F14°C & Mostly Clear

Wind is 2 mph4 km/h from the Southwest, gusting to 14 mph22 km/h
November 3
7am57°F14°C4 mph6 km/h SouthwestMostly Clear
8am59°F15°C4 mph6 km/h SouthwestMostly Clear
9am60°F16°C3 mph6 km/h SouthwestClear
10am55°F13°C3 mph5 km/h SouthClear
11am53°F11°C2 mph3 km/h SouthClear
12pm47°F9°C1 mph1 km/h SouthClear
1pm45°F7°C1 mph1 km/h EastClear
2pm43°F6°C1 mph1 km/h EastClear
3pm41°F5°C1 mph1 km/h NorthClear
4pm39°F4°C1 mph1 km/h NortheastClear
5pm39°F4°C1 mph2 km/h NorthClear
6pm38°F3°C1 mph2 km/h NorthwestClear
DateLowHighWindDayNight
November 232°F0°C61°F16°C3 mph4 km/h from SouthClearClear
November 334°F1°C60°F15°C3 mph5 km/h from SouthwestClearClear
November 437°F3°C60°F16°C4 mph7 km/h from SouthwestClearClear
November 534°F1°C56°F13°C5 mph8 km/h from SouthwestClearClear
November 631°F-1°C56°F13°C3 mph5 km/h from SouthwestClearClear
November 731°F-1°C58°F14°C4 mph6 km/h from SouthwestClearClear
November 830°F-1°C62°F17°C4 mph6 km/h from SouthwestClearClear

Yes

Low of 34°F1°C, High of 60°F16°C
Wind: 3 mph5 km/h
Precipitation: None

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