No
you don't need a jacket based on the weather in Union City, CA 94587, USA 1 second ago
71°F21°C & Clear
Wind is 10 mph16 km/h from the W, gusting to 17 mph27 km/h
| May 19 | ||||
| 7pm | 70°F21°C | 10 mph16 km/h W | Clear | |
| 8pm | 68°F20°C | 9 mph15 km/h W | Clear | |
| 9pm | 66°F19°C | 9 mph14 km/h W | Clear | |
| 10pm | 63°F17°C | 8 mph13 km/h W | Clear | |
| 11pm | 60°F16°C | 7 mph12 km/h SW | Clear | |
| May 20 | ||||
| 12am | 58°F14°C | 6 mph10 km/h SW | Clear | |
| 1am | 56°F13°C | 6 mph10 km/h SW | Clear | |
| 2am | 54°F12°C | 6 mph9 km/h SW | Mostly Clear | |
| 3am | 53°F12°C | 5 mph9 km/h S | Mostly Clear | |
| 4am | 52°F11°C | 5 mph8 km/h S | Mostly Clear | |
| 5am | 51°F11°C | 5 mph7 km/h S | Mostly Clear | |
| 6am | 50°F10°C | 4 mph7 km/h S | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 19 | 53°F11°C | 72°F22°C | 7 mph11 km/h from W | Clear | Mostly Clear |
| May 20 | 49°F9°C | 75°F24°C | 6 mph10 km/h from W | Clear | Clear |
| May 21 | 50°F10°C | 79°F26°C | 7 mph11 km/h from NW | Clear | Clear |
| May 22 | 51°F10°C | 73°F23°C | 7 mph11 km/h from W | Clear | Clear |
| May 23 | 48°F9°C | 70°F21°C | 7 mph12 km/h from W | Mostly Clear | Partly Cloudy |
| May 24 | 50°F10°C | 64°F18°C | 9 mph14 km/h from W | Partly Cloudy | Mostly Cloudy |
| May 25 | 51°F10°C | 64°F18°C | 9 mph14 km/h from W | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 49°F10°C, High of 74°F24°CWind: 6 mph10 km/h
Precipitation: None