No

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

61°F16°C & Mostly Cloudy

Wind is 6 mph9 km/h from the SW, gusting to 12 mph20 km/h
March 28
11pm60°F15°C5 mph8 km/h SWMostly Cloudy
March 29
12am58°F15°C4 mph7 km/h SWPartly Cloudy
1am57°F14°C4 mph7 km/h SWPartly Cloudy
2am55°F13°C4 mph6 km/h SMostly Clear
3am54°F12°C4 mph6 km/h SMostly Clear
4am52°F11°C4 mph6 km/h SMostly Clear
5am51°F11°C4 mph6 km/h SEMostly Clear
6am50°F10°C4 mph6 km/h SEMostly Clear
7am50°F10°C4 mph6 km/h SEMostly Clear
8am49°F9°C4 mph6 km/h SEPartly Cloudy
9am49°F10°C4 mph6 km/h SEMostly Clear
10am50°F10°C4 mph7 km/h SEMostly Clear
DateLowHighWindDayNight
March 2851°F10°C67°F20°C4 mph6 km/h from SWMostly ClearMostly Clear
March 2949°F9°C64°F18°C8 mph13 km/h from SWPartly CloudyRain
March 3051°F11°C60°F15°C6 mph10 km/h from SRainDrizzle
March 3150°F10°C60°F16°C8 mph13 km/h from SERainPartly Cloudy
April 148°F9°C68°F20°C5 mph9 km/h from WClearClear
April 249°F9°C78°F26°C5 mph7 km/h from WClearClear
April 351°F11°C79°F26°C5 mph8 km/h from SWClearMostly Clear

Yes

Low of 49°F10°C, High of 64°F18°C
Wind: 8 mph13 km/h
Precipitation: None

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