No

you don't need a jacket based on the weather in California, USA 1 second ago

85°F30°C & Clear

Wind is 3 mph5 km/h from the SW, gusting to 9 mph14 km/h
September 24
6pm86°F30°C3 mph5 km/h SWClear
7pm87°F31°C3 mph5 km/h WClear
8pm86°F30°C3 mph5 km/h WClear
9pm84°F29°C3 mph5 km/h NWClear
10pm78°F25°C3 mph5 km/h NClear
11pm74°F24°C4 mph6 km/h NEClear
September 25
12am71°F22°C4 mph7 km/h NEClear
1am68°F20°C5 mph8 km/h NEClear
2am66°F19°C5 mph7 km/h EClear
3am64°F18°C4 mph6 km/h EClear
4am62°F17°C3 mph5 km/h EClear
5am61°F16°C3 mph6 km/h EClear
DateLowHighWindDayNight
September 2457°F14°C87°F31°C4 mph7 km/h from SClearClear
September 2554°F12°C85°F29°C3 mph5 km/h from WMostly ClearClear
September 2653°F12°C84°F29°C4 mph7 km/h from WClearClear
September 2756°F13°C83°F28°C4 mph6 km/h from WClearClear
September 2856°F13°C83°F28°C4 mph6 km/h from WClearClear
September 2957°F14°C84°F29°C4 mph6 km/h from SWClearMostly Clear
September 3055°F13°C73°F23°C4 mph6 km/h from WMostly ClearMostly Clear

Yes

Low of 55°F13°C, High of 85°F30°C
Wind: 3 mph5 km/h
Precipitation: None

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