Yes
you do need a jacket based on the weather in Hayward, CA, USA 1 second ago
Why? Because you're not freezing, but you’ll definitely start complaining if it lasts much longer and it's so windy, even the squirrels are holding onto branches for dear life!
50°F10°C & Mostly Cloudy
Wind is 6 mph10 km/h from the West, gusting to 21 mph33 km/h
| March 15 | ||||
| 12am | 49°F9°C | 6 mph9 km/h West | Partly Cloudy | |
| 1am | 48°F9°C | 6 mph10 km/h West | Partly Cloudy | |
| 2am | 47°F8°C | 6 mph9 km/h West | Partly Cloudy | |
| 3am | 46°F8°C | 6 mph9 km/h West | Mostly Cloudy | |
| 4am | 46°F8°C | 5 mph7 km/h West | Mostly Cloudy | |
| 5am | 45°F7°C | 4 mph6 km/h West | Mostly Clear | |
| 6am | 45°F7°C | 4 mph7 km/h Southwest | Partly Cloudy | |
| 7am | 45°F7°C | 4 mph6 km/h Southwest | Partly Cloudy | |
| 8am | 44°F7°C | 3 mph5 km/h Southwest | Mostly Cloudy | |
| 9am | 44°F7°C | 3 mph5 km/h South | Mostly Cloudy | |
| 10am | 44°F7°C | 4 mph6 km/h South | Mostly Cloudy | |
| 11am | 45°F7°C | 4 mph7 km/h South | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 14 | 42°F6°C | 57°F14°C | 10 mph16 km/h from Southwest | Drizzle | Partly Cloudy |
| March 15 | 44°F7°C | 58°F14°C | 6 mph9 km/h from Southwest | Partly Cloudy | Mostly Clear |
| March 16 | 43°F6°C | 61°F16°C | 11 mph18 km/h from South | Mostly Cloudy | Rain |
| March 17 | 46°F8°C | 56°F14°C | 12 mph20 km/h from West | Rain | Clear |
| March 18 | 42°F6°C | 58°F14°C | 5 mph8 km/h from West | Mostly Clear | Partly Cloudy |
| March 19 | 39°F4°C | 58°F15°C | 4 mph7 km/h from Southwest | Cloudy | Drizzle |
| March 20 | 46°F8°C | 58°F15°C | 5 mph9 km/h from Northwest | Partly Cloudy | Mostly Cloudy |
Yes
Low of 44°F7°C, High of 58°F15°CWind: 6 mph9 km/h
Precipitation: None