Yes

you do need a jacket based on the weather in Los Angeles (Granada Hills), California, United States 1 second ago

Why? Because it's pretty chilly!
56°F13°C & Partly Cloudy

Wind is 2 mph3 km/h from the North, gusting to 2 mph4 km/h
July 26
9am56°F13°C2 mph3 km/h NorthPartly Cloudy
10am58°F14°C1 mph1 km/h NorthwestMostly Clear
11am60°F16°C2 mph4 km/h SouthMostly Clear
12pm63°F17°C4 mph6 km/h SouthPartly Cloudy
1pm66°F19°C5 mph9 km/h SouthMostly Clear
2pm70°F21°C5 mph9 km/h SouthPartly Cloudy
3pm73°F23°C6 mph10 km/h SouthPartly Cloudy
4pm75°F24°C6 mph10 km/h SouthClear
5pm78°F25°C7 mph11 km/h SouthClear
6pm79°F26°C7 mph12 km/h SouthMostly Clear
7pm79°F26°C7 mph12 km/h SouthMostly Cloudy
8pm79°F26°C7 mph11 km/h SouthMostly Cloudy
DateLowHighWindDayNight
July 2656°F13°C79°F26°C6 mph9 km/h from SouthPartly CloudyMostly Clear
July 2757°F14°C81°F27°C5 mph8 km/h from SouthClearMostly Clear
July 2858°F15°C84°F29°C5 mph8 km/h from SouthClearClear
July 2960°F16°C87°F31°C5 mph8 km/h from SouthClearClear
July 3061°F16°C88°F31°C5 mph8 km/h from SouthwestClearClear
July 3162°F17°C88°F31°C5 mph8 km/h from SouthClearClear
August 161°F16°C88°F31°C5 mph8 km/h from SouthClearClear

Yes

Low of 57°F14°C, High of 82°F28°C
Wind: 5 mph8 km/h
Precipitation: None

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