Yes

you do need a jacket based on the weather in Lahaul and Spiti, Himachal Pradesh, India 1 second ago

Why? Because it's cool enough your breath is visible, but your nose isn’t red yet!
38°F4°C & Cloudy

Wind is 3 mph5 km/h from the Southwest, gusting to 9 mph14 km/h
August 2
11am38°F3°C2 mph4 km/h SouthwestCloudy
12pm37°F3°C2 mph4 km/h SouthwestCloudy
1pm36°F2°C2 mph4 km/h SouthwestCloudy
2pm36°F2°C2 mph4 km/h SouthwestCloudy
3pm35°F2°C2 mph3 km/h SouthwestCloudy
4pm35°F1°C2 mph3 km/h SouthwestCloudy
5pm34°F1°C1 mph2 km/h SouthHaze
6pm34°F1°C1 mph2 km/h SoutheastHaze
7pm34°F1°C1 mph2 km/h SoutheastMostly Cloudy
8pm34°F1°C2 mph3 km/h SoutheastMostly Cloudy
9pm35°F1°C1 mph2 km/h SoutheastMostly Cloudy
10pm36°F2°C1 mph2 km/h SouthMostly Cloudy
DateLowHighWindDayNight
August 135°F2°C43°F6°C5 mph9 km/h from SouthwestCloudyCloudy
August 234°F1°C44°F7°C5 mph8 km/h from SouthwestMostly CloudyMostly Cloudy
August 333°F1°C46°F8°C5 mph7 km/h from SouthwestPartly CloudyMostly Cloudy
August 433°F0°C45°F7°C5 mph8 km/h from SouthwestMostly CloudySnow
August 532°F0°C41°F5°C5 mph8 km/h from SouthwestMostly CloudyPartly Cloudy
August 631°F-0°C43°F6°C5 mph8 km/h from SouthwestPartly CloudyPartly Cloudy
August 732°F0°C44°F7°C5 mph8 km/h from SouthwestPartly CloudyPartly Cloudy

Yes

Low of 34°F1°C, High of 44°F7°C
Wind: 5 mph8 km/h
Precipitation: 20% rain

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