No

you don't need a jacket based on the weather in San Diego (Pacific Beach), California, United States 1 second ago

60°F16°C & Mostly Clear

Wind is 5 mph8 km/h from the W, gusting to 9 mph14 km/h
April 19
11pm59°F15°C5 mph8 km/h NWMostly Clear
April 20
12am59°F15°C4 mph7 km/h NWMostly Clear
1am58°F14°C4 mph6 km/h NWPartly Cloudy
2am58°F14°C3 mph5 km/h NWPartly Cloudy
3am57°F14°C3 mph5 km/h NWPartly Cloudy
4am57°F14°C2 mph4 km/h NWMostly Cloudy
5am57°F14°C2 mph3 km/h WMostly Cloudy
6am56°F13°C2 mph3 km/h WMostly Cloudy
7am56°F13°C2 mph3 km/h NWMostly Cloudy
8am56°F13°C2 mph3 km/h NMostly Cloudy
9am55°F13°C2 mph3 km/h NMostly Cloudy
10am56°F13°C2 mph3 km/h NEMostly Cloudy
DateLowHighWindDayNight
April 1957°F14°C64°F18°C5 mph9 km/h from WPartly CloudyPartly Cloudy
April 2055°F13°C65°F18°C6 mph10 km/h from WPartly CloudyPartly Cloudy
April 2156°F13°C66°F19°C5 mph9 km/h from WMostly ClearMostly Clear
April 2257°F14°C66°F19°C7 mph11 km/h from SWPartly CloudyMostly Cloudy
April 2357°F14°C65°F18°C7 mph11 km/h from WMostly ClearPartly Cloudy
April 2455°F13°C63°F17°C9 mph14 km/h from WPartly CloudyMostly Cloudy
April 2556°F13°C62°F17°C7 mph12 km/h from SWMostly CloudyMostly Cloudy

Yes

Low of 55°F13°C, High of 64°F18°C
Wind: 6 mph10 km/h
Precipitation: None

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