Yes
you do need a jacket based on the weather in 1983 Alpine Way, Hayward, CA 94545, USA 1 second ago
Why? Because it's pretty chilly!
59°F15°C & Clear
Wind is 1 mph2 km/h from the West, gusting to 2 mph4 km/h
| September 1 | ||||
| 11am | 60°F15°C | 1 mph2 km/h West | Mostly Clear | |
| 12pm | 63°F17°C | 2 mph3 km/h West | Mostly Clear | |
| 1pm | 67°F20°C | 4 mph6 km/h West | Clear | |
| 2pm | 71°F22°C | 4 mph7 km/h West | Clear | |
| 3pm | 76°F24°C | 6 mph9 km/h West | Clear | |
| 4pm | 79°F26°C | 7 mph11 km/h West | Clear | |
| 5pm | 81°F27°C | 8 mph14 km/h West | Clear | |
| 6pm | 81°F27°C | 9 mph15 km/h West | Clear | |
| 7pm | 83°F28°C | 8 mph13 km/h West | Clear | |
| 8pm | 81°F27°C | 8 mph12 km/h West | Clear | |
| 9pm | 78°F26°C | 7 mph11 km/h West | Clear | |
| 10pm | 74°F23°C | 5 mph8 km/h West | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 1 | 58°F14°C | 83°F28°C | 6 mph9 km/h from West | Clear | Mostly Clear |
| September 2 | 60°F15°C | 81°F27°C | 6 mph10 km/h from West | Mostly Clear | Partly Cloudy |
| September 3 | 59°F15°C | 76°F24°C | 6 mph9 km/h from West | Mostly Clear | Mostly Cloudy |
| September 4 | 57°F14°C | 71°F22°C | 6 mph10 km/h from West | Mostly Cloudy | Mostly Cloudy |
| September 5 | 59°F15°C | 70°F21°C | 7 mph11 km/h from West | Mostly Cloudy | Mostly Cloudy |
| September 6 | 58°F15°C | 72°F22°C | 7 mph11 km/h from West | Partly Cloudy | Partly Cloudy |
| September 7 | 58°F14°C | 74°F23°C | 6 mph10 km/h from West | Partly Cloudy | Mostly Cloudy |
No
Low of 60°F16°C, High of 82°F28°CWind: 6 mph10 km/h
Precipitation: None