No
you don't need a jacket based on the weather in Union City, CA, USA 8 minutes ago
63°F17°C & Clear
Wind is 2 mph3 km/h from the West, gusting to 6 mph10 km/h
| September 27 | ||||
| 1pm | 67°F19°C | 3 mph5 km/h Southwest | Clear | |
| 2pm | 70°F21°C | 4 mph6 km/h Southwest | Clear | |
| 3pm | 73°F23°C | 5 mph7 km/h Southwest | Clear | |
| 4pm | 76°F24°C | 6 mph9 km/h Southwest | Clear | |
| 5pm | 77°F25°C | 7 mph11 km/h Southwest | Clear | |
| 6pm | 77°F25°C | 8 mph12 km/h West | Clear | |
| 7pm | 75°F24°C | 9 mph14 km/h West | Clear | |
| 8pm | 74°F23°C | 8 mph13 km/h West | Clear | |
| 9pm | 72°F22°C | 7 mph11 km/h West | Clear | |
| 10pm | 69°F20°C | 5 mph9 km/h West | Clear | |
| 11pm | 66°F19°C | 5 mph8 km/h West | Mostly Clear | |
| September 28 | ||||
| 12am | 64°F18°C | 5 mph8 km/h West | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 27 | 58°F14°C | 78°F25°C | 5 mph9 km/h from West | Clear | Partly Cloudy |
| September 28 | 61°F16°C | 74°F23°C | 7 mph11 km/h from Southwest | Mostly Cloudy | Cloudy |
| September 29 | 61°F16°C | 73°F23°C | 6 mph10 km/h from Southwest | Cloudy | Mostly Cloudy |
| September 30 | 58°F15°C | 73°F23°C | 6 mph9 km/h from West | Partly Cloudy | Mostly Clear |
| October 1 | 57°F14°C | 73°F23°C | 4 mph7 km/h from Southwest | Drizzle | Drizzle |
| October 2 | 58°F15°C | 72°F22°C | 5 mph7 km/h from West | Mostly Cloudy | Partly Cloudy |
| October 3 | 54°F12°C | 71°F22°C | 5 mph8 km/h from West | Mostly Clear | Mostly Clear |
No
Low of 61°F16°C, High of 74°F24°CWind: 7 mph11 km/h
Precipitation: 4% rain