No
you don't need a jacket based on the weather in Union City, CA, USA 1 second ago
73°F23°C & Cloudy
Wind is 4 mph6 km/h from the West, gusting to 5 mph8 km/h
| February 28 | ||||
| 8pm | 70°F21°C | 5 mph8 km/h West | Mostly Cloudy | |
| 9pm | 64°F18°C | 6 mph10 km/h Northwest | Mostly Clear | |
| 10pm | 60°F16°C | 6 mph9 km/h Northwest | Partly Cloudy | |
| 11pm | 57°F14°C | 3 mph5 km/h Northwest | Partly Cloudy | |
| March 1 | ||||
| 12am | 56°F13°C | 2 mph4 km/h West | Mostly Cloudy | |
| 1am | 54°F12°C | 3 mph4 km/h West | Partly Cloudy | |
| 2am | 53°F11°C | 3 mph5 km/h West | Partly Cloudy | |
| 3am | 51°F11°C | 3 mph5 km/h West | Partly Cloudy | |
| 4am | 50°F10°C | 2 mph4 km/h West | Partly Cloudy | |
| 5am | 50°F10°C | 3 mph4 km/h West | Partly Cloudy | |
| 6am | 49°F10°C | 3 mph4 km/h West | Partly Cloudy | |
| 7am | 49°F9°C | 3 mph5 km/h West | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| February 28 | 50°F10°C | 75°F24°C | 3 mph4 km/h from West | Partly Cloudy | Partly Cloudy |
| March 1 | 48°F9°C | 60°F15°C | 8 mph12 km/h from West | Mostly Cloudy | Drizzle |
| March 2 | 46°F8°C | 54°F12°C | 11 mph18 km/h from West | Drizzle | Partly Cloudy |
| March 3 | 44°F7°C | 56°F14°C | 8 mph13 km/h from West | Partly Cloudy | Cloudy |
| March 4 | 46°F8°C | 56°F13°C | 3 mph5 km/h from Northwest | Drizzle | Drizzle |
| March 5 | 47°F8°C | 56°F13°C | 7 mph12 km/h from West | Drizzle | Drizzle |
| March 6 | 45°F7°C | 59°F15°C | 6 mph10 km/h from West | Partly Cloudy | Partly Cloudy |
Yes
Low of 48°F9°C, High of 60°F16°CWind: 8 mph12 km/h
Precipitation: None