No
you don't need a jacket based on the weather in Hayward, CA 94545, USA 1 second ago
62°F17°C & Mostly Cloudy
Wind is 5 mph8 km/h from the Northwest, gusting to 8 mph13 km/h
| July 13 | ||||
| 2pm | 63°F17°C | 6 mph10 km/h Northwest | Partly Cloudy | |
| 3pm | 66°F19°C | 7 mph11 km/h Northwest | Mostly Clear | |
| 4pm | 69°F20°C | 8 mph13 km/h Northwest | Clear | |
| 5pm | 70°F21°C | 10 mph15 km/h Northwest | Clear | |
| 6pm | 71°F22°C | 11 mph18 km/h Northwest | Clear | |
| 7pm | 70°F21°C | 12 mph20 km/h Northwest | Clear | |
| 8pm | 69°F20°C | 12 mph20 km/h Northwest | Clear | |
| 9pm | 68°F20°C | 10 mph16 km/h Northwest | Clear | |
| 10pm | 65°F19°C | 9 mph15 km/h Northwest | Clear | |
| 11pm | 63°F17°C | 8 mph14 km/h Northwest | Clear | |
| July 14 | ||||
| 12am | 60°F16°C | 7 mph12 km/h Northwest | Mostly Clear | |
| 1am | 59°F15°C | 6 mph10 km/h Northwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 13 | 56°F14°C | 71°F22°C | 8 mph13 km/h from Northwest | Mostly Clear | Partly Cloudy |
| July 14 | 56°F13°C | 75°F24°C | 7 mph11 km/h from West | Mostly Clear | Partly Cloudy |
| July 15 | 56°F13°C | 72°F22°C | 8 mph12 km/h from West | Mostly Clear | Partly Cloudy |
| July 16 | 57°F14°C | 71°F22°C | 8 mph12 km/h from West | Mostly Clear | Partly Cloudy |
| July 17 | 57°F14°C | 71°F22°C | 7 mph11 km/h from West | Mostly Clear | Partly Cloudy |
| July 18 | 57°F14°C | 72°F22°C | 7 mph11 km/h from West | Mostly Clear | Partly Cloudy |
| July 19 | 56°F13°C | 71°F22°C | 7 mph10 km/h from West | Mostly Clear | Partly Cloudy |
Yes
Low of 55°F13°C, High of 75°F24°CWind: 7 mph11 km/h
Precipitation: None