Yes

you do need a jacket based on the weather in Darjeeling, West Bengal, India 1 second ago

Why? Because it's pretty chilly.
55°F13°C & Clear

Wind is 4 mph6 km/h from the NW, gusting to 9 mph15 km/h
April 28
7pm55°F13°C4 mph6 km/h NWClear
8pm55°F13°C4 mph6 km/h NWClear
9pm57°F14°C3 mph4 km/h NWClear
10pm60°F16°C2 mph3 km/h EClear
11pm63°F17°C3 mph5 km/h SEClear
April 29
12am65°F18°C4 mph7 km/h SEMostly Clear
1am67°F19°C5 mph8 km/h SEMostly Clear
2am68°F20°C5 mph8 km/h SEMostly Clear
3am68°F20°C6 mph9 km/h SMostly Clear
4am68°F20°C5 mph9 km/h SMostly Clear
5am68°F20°C5 mph8 km/h SMostly Clear
6am67°F19°C4 mph7 km/h SMostly Clear
DateLowHighWindDayNight
April 2855°F13°C68°F20°C4 mph6 km/h from SEMostly ClearClear
April 2954°F12°C68°F20°C4 mph7 km/h from SMostly ClearClear
April 3054°F12°C70°F21°C4 mph7 km/h from SMostly ClearClear
May 154°F12°C71°F22°C6 mph9 km/h from SWClearClear
May 252°F11°C70°F21°C4 mph7 km/h from SEMostly ClearPartly Cloudy
May 352°F11°C67°F20°C3 mph5 km/h from SEMostly CloudyMostly Clear
May 453°F12°C64°F18°C3 mph4 km/h from EPartly CloudyDrizzle

Yes

Low of 55°F13°C, High of 69°F21°C
Wind: 4 mph7 km/h
Precipitation: 8% rain

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