Yes

you do need a jacket based on the weather in Tustin, CA, USA 1 second ago

Why? Because the air feels like the cozy middle ground between summer and winter!
56°F13°C & Clear

Wind is 2 mph4 km/h from the East, gusting to 4 mph6 km/h
November 6
10am56°F13°C3 mph5 km/h EastClear
11am55°F13°C2 mph4 km/h NortheastClear
12pm54°F12°C2 mph3 km/h NortheastClear
1pm54°F12°C3 mph5 km/h EastClear
2pm54°F12°C2 mph3 km/h EastClear
3pm55°F13°C3 mph4 km/h EastClear
4pm60°F15°C2 mph4 km/h SoutheastClear
5pm64°F18°C2 mph3 km/h SouthwestClear
6pm67°F19°C3 mph5 km/h SouthwestClear
7pm70°F21°C4 mph7 km/h SouthwestClear
8pm72°F22°C5 mph9 km/h SouthwestClear
9pm73°F23°C6 mph10 km/h SouthwestClear
DateLowHighWindDayNight
November 654°F12°C73°F23°C4 mph6 km/h from SouthwestClearMostly Clear
November 755°F13°C78°F25°C3 mph5 km/h from WestClearClear
November 857°F14°C78°F26°C4 mph6 km/h from SouthwestClearMostly Clear
November 958°F14°C83°F29°C3 mph5 km/h from WestClearMostly Clear
November 1060°F16°C87°F31°C3 mph5 km/h from WestMostly ClearMostly Cloudy
November 1160°F16°C78°F25°C3 mph5 km/h from SouthwestPartly CloudyMostly Cloudy
November 1258°F15°C70°F21°C4 mph6 km/h from SouthwestMostly CloudyCloudy

Yes

Low of 55°F13°C, High of 78°F26°C
Wind: 3 mph5 km/h
Precipitation: None

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