No

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

71°F22°C & Clear

Wind is 5 mph8 km/h from the West, gusting to 10 mph16 km/h
October 20
2am69°F21°C5 mph9 km/h WestClear
3am66°F19°C6 mph10 km/h WestClear
4am63°F17°C5 mph8 km/h WestClear
5am62°F17°C5 mph7 km/h WestClear
6am61°F16°C5 mph8 km/h WestClear
7am60°F15°C5 mph8 km/h WestClear
8am59°F15°C4 mph7 km/h WestClear
9am58°F14°C4 mph7 km/h WestClear
10am57°F14°C4 mph6 km/h WestClear
11am56°F14°C4 mph6 km/h WestClear
12pm56°F14°C4 mph6 km/h NorthwestClear
1pm56°F13°C3 mph6 km/h NorthwestClear
DateLowHighWindDayNight
October 1956°F13°C79°F26°C4 mph6 km/h from NorthwestClearClear
October 2055°F13°C77°F25°C4 mph7 km/h from NorthClearClear
October 2155°F13°C78°F25°C3 mph5 km/h from NorthClearMostly Clear
October 2257°F14°C70°F21°C10 mph16 km/h from WestPartly CloudyMostly Clear
October 2353°F12°C72°F22°C3 mph6 km/h from WestPartly CloudyPartly Cloudy
October 2452°F11°C70°F21°C6 mph9 km/h from WestMostly CloudyDrizzle
October 2555°F13°C68°F20°C7 mph10 km/h from SouthwestMostly CloudyRain

Yes

Low of 55°F13°C, High of 77°F25°C
Wind: 4 mph7 km/h
Precipitation: None

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