Yes

you do need a jacket based on the weather in Los Angeles, CA, USA 4 minutes ago

Why? Because it's pretty chilly!
50°F10°C & Cloudy

Wind is 3 mph5 km/h from the Northeast, gusting to 4 mph7 km/h
December 26
5am50°F10°C3 mph5 km/h NorthMostly Cloudy
6am49°F9°C3 mph5 km/h NorthMostly Cloudy
7am49°F9°C3 mph4 km/h NortheastMostly Cloudy
8am48°F9°C3 mph4 km/h NortheastMostly Cloudy
9am47°F9°C3 mph5 km/h NortheastMostly Cloudy
10am48°F9°C3 mph5 km/h NortheastMostly Cloudy
11am50°F10°C3 mph5 km/h NortheastMostly Cloudy
12pm53°F12°C3 mph5 km/h EastMostly Cloudy
1pm57°F14°C2 mph3 km/h SoutheastPartly Cloudy
2pm61°F16°C3 mph5 km/h SoutheastMostly Clear
3pm64°F18°C3 mph5 km/h SouthPartly Cloudy
4pm66°F19°C4 mph7 km/h SouthMostly Clear
DateLowHighWindDayNight
December 2647°F9°C67°F19°C4 mph6 km/h from SouthPartly CloudyMostly Cloudy
December 2749°F9°C64°F18°C3 mph5 km/h from SouthMostly CloudyMostly Cloudy
December 2850°F10°C68°F20°C2 mph4 km/h from SouthwestMostly CloudyPartly Cloudy
December 2948°F9°C64°F18°C3 mph4 km/h from SouthwestMostly ClearPartly Cloudy
December 3048°F9°C65°F18°C3 mph4 km/h from SouthwestMostly ClearPartly Cloudy
December 3148°F9°C72°F22°C2 mph3 km/h from NorthwestMostly CloudyClear
January 147°F8°C74°F23°C2 mph3 km/h from NorthwestClearPartly Cloudy

Yes

Low of 49°F10°C, High of 64°F18°C
Wind: 3 mph5 km/h
Precipitation: None

Support This Page