No
you don't need a jacket based on the weather in Hayward, CA 94545, USA 1 second ago
65°F18°C & Clear
Wind is 7 mph12 km/h from the West, gusting to 11 mph17 km/h
| May 7 | ||||
| 5pm | 65°F19°C | 9 mph14 km/h Northwest | Clear | |
| 6pm | 66°F19°C | 10 mph17 km/h Northwest | Clear | |
| 7pm | 65°F18°C | 11 mph18 km/h Northwest | Clear | |
| 8pm | 63°F17°C | 12 mph19 km/h Northwest | Mostly Clear | |
| 9pm | 60°F16°C | 12 mph19 km/h Northwest | Partly Cloudy | |
| 10pm | 58°F14°C | 11 mph17 km/h Northwest | Partly Cloudy | |
| 11pm | 56°F13°C | 9 mph15 km/h Northwest | Partly Cloudy | |
| May 8 | ||||
| 12am | 54°F12°C | 6 mph10 km/h Northwest | Partly Cloudy | |
| 1am | 54°F12°C | 4 mph7 km/h West | Mostly Clear | |
| 2am | 53°F12°C | 4 mph6 km/h West | Mostly Clear | |
| 3am | 52°F11°C | 3 mph5 km/h West | Mostly Clear | |
| 4am | 52°F11°C | 3 mph5 km/h Southwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 7 | 52°F11°C | 66°F19°C | 7 mph11 km/h from West | Mostly Clear | Partly Cloudy |
| May 8 | 51°F11°C | 72°F22°C | 6 mph9 km/h from West | Mostly Clear | Clear |
| May 9 | 51°F11°C | 76°F24°C | 6 mph9 km/h from West | Clear | Mostly Clear |
| May 10 | 52°F11°C | 75°F24°C | 6 mph10 km/h from West | Clear | Mostly Clear |
| May 11 | 52°F11°C | 61°F16°C | 10 mph17 km/h from West | Mostly Clear | Partly Cloudy |
| May 12 | 52°F11°C | 58°F15°C | 10 mph17 km/h from West | Drizzle | Partly Cloudy |
| May 13 | 50°F10°C | 63°F17°C | 7 mph11 km/h from West | Mostly Clear | Mostly Clear |
Yes
Low of 51°F11°C, High of 72°F22°CWind: 6 mph9 km/h
Precipitation: None