Yes

you do need a jacket based on the weather in Union City, CA 94587, USA 1 second ago

Why? Because a jacket will keep you cozy, but you won't break a seat!
56°F13°C & Mostly Cloudy

Wind is 5 mph8 km/h from the Northwest, gusting to 9 mph15 km/h
June 9
4am56°F13°C5 mph8 km/h NorthwestPartly Cloudy
5am55°F13°C4 mph7 km/h NorthwestMostly Cloudy
6am56°F13°C4 mph7 km/h NorthwestMostly Cloudy
7am56°F13°C4 mph7 km/h WestMostly Cloudy
8am57°F14°C4 mph6 km/h WestCloudy
9am57°F14°C4 mph6 km/h WestMostly Cloudy
10am57°F14°C3 mph5 km/h WestMostly Cloudy
11am58°F15°C4 mph6 km/h WestMostly Cloudy
12pm61°F16°C4 mph6 km/h WestMostly Cloudy
1pm64°F18°C5 mph8 km/h WestPartly Cloudy
2pm67°F20°C6 mph10 km/h WestMostly Clear
3pm70°F21°C7 mph11 km/h WestMostly Clear
DateLowHighWindDayNight
June 955°F13°C73°F23°C7 mph11 km/h from WestMostly ClearPartly Cloudy
June 1055°F13°C73°F23°C7 mph11 km/h from WestMostly ClearMostly Clear
June 1152°F11°C71°F22°C7 mph12 km/h from WestMostly ClearMostly Clear
June 1251°F11°C71°F22°C6 mph10 km/h from WestClearClear
June 1351°F10°C69°F21°C7 mph12 km/h from WestMostly ClearMostly Clear
June 1451°F11°C70°F21°C7 mph11 km/h from WestPartly CloudyPartly Cloudy
June 1552°F11°C69°F21°C7 mph11 km/h from WestMostly ClearMostly Clear

Yes

Low of 55°F13°C, High of 73°F23°C
Wind: 7 mph11 km/h
Precipitation: None

Support This Page