Yes
you do need a jacket based on the weather in Hayward, CA, USA 1 second ago
Why? Because it's cold enough that makes you wish you had a hat, but you're still too proud to admit it!
49°F9°C & Mostly Cloudy
Wind is 2 mph3 km/h from the West, gusting to 7 mph12 km/h
| April 26 | ||||
| 4am | 49°F9°C | 1 mph2 km/h Northwest | Mostly Cloudy | |
| 5am | 48°F9°C | 1 mph1 km/h Northwest | Partly Cloudy | |
| 6am | 47°F8°C | 3 mph4 km/h Northeast | Mostly Cloudy | |
| 7am | 46°F8°C | 3 mph4 km/h East | Mostly Cloudy | |
| 8am | 46°F8°C | 2 mph4 km/h East | Mostly Cloudy | |
| 9am | 45°F7°C | 2 mph3 km/h East | Mostly Cloudy | |
| 10am | 46°F8°C | 1 mph2 km/h Northwest | Mostly Cloudy | |
| 11am | 48°F9°C | 2 mph3 km/h West | Mostly Cloudy | |
| 12pm | 51°F10°C | 3 mph5 km/h West | Mostly Cloudy | |
| 1pm | 53°F12°C | 3 mph6 km/h West | Mostly Cloudy | |
| 2pm | 56°F13°C | 4 mph7 km/h West | Mostly Cloudy | |
| 3pm | 58°F14°C | 5 mph8 km/h West | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 26 | 45°F7°C | 60°F15°C | 6 mph10 km/h from West | Mostly Cloudy | Drizzle |
| April 27 | 50°F10°C | 60°F16°C | 6 mph10 km/h from Southwest | Mostly Cloudy | Partly Cloudy |
| April 28 | 47°F9°C | 70°F21°C | 6 mph9 km/h from West | Mostly Clear | Mostly Clear |
| April 29 | 49°F9°C | 72°F22°C | 4 mph7 km/h from West | Partly Cloudy | Partly Cloudy |
| April 30 | 51°F10°C | 72°F22°C | 5 mph9 km/h from West | Mostly Clear | Partly Cloudy |
| May 1 | 51°F11°C | 66°F19°C | 6 mph10 km/h from West | Partly Cloudy | Mostly Cloudy |
| May 2 | 51°F10°C | 63°F17°C | 9 mph14 km/h from West | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 50°F10°C, High of 61°F16°CWind: 6 mph10 km/h
Precipitation: None