Yes

you do need a jacket based on the weather in Hayward, CA, USA 1 second ago

Why? Because the air feels like the cozy middle ground between summer and winter and it's on the windy side!
52°F11°C & Mostly Cloudy

Wind is 11 mph17 km/h from the West, gusting to 25 mph40 km/h
March 14
10pm51°F11°C10 mph17 km/h WestPartly Cloudy
11pm49°F10°C8 mph13 km/h WestMostly Cloudy
March 15
12am49°F9°C6 mph10 km/h WestMostly Cloudy
1am48°F9°C6 mph10 km/h WestPartly Cloudy
2am47°F9°C6 mph10 km/h WestPartly Cloudy
3am46°F8°C6 mph9 km/h WestPartly Cloudy
4am45°F7°C4 mph6 km/h WestPartly Cloudy
5am46°F8°C5 mph8 km/h WestMostly Clear
6am45°F7°C5 mph8 km/h WestPartly Cloudy
7am45°F7°C4 mph7 km/h SouthwestMostly Cloudy
8am44°F7°C4 mph6 km/h SouthwestMostly Cloudy
9am44°F7°C3 mph6 km/h SouthMostly Cloudy
DateLowHighWindDayNight
March 1442°F6°C57°F14°C10 mph17 km/h from SouthwestDrizzlePartly Cloudy
March 1543°F6°C58°F14°C6 mph9 km/h from SouthwestPartly CloudyMostly Clear
March 1643°F6°C61°F16°C11 mph18 km/h from SouthMostly CloudyRain
March 1746°F8°C56°F13°C12 mph20 km/h from WestRainClear
March 1842°F5°C58°F14°C5 mph8 km/h from WestMostly ClearPartly Cloudy
March 1939°F4°C58°F15°C4 mph7 km/h from SouthwestCloudyDrizzle
March 2046°F8°C59°F15°C5 mph9 km/h from NorthwestPartly CloudyMostly Cloudy

Yes

Low of 44°F7°C, High of 58°F15°C
Wind: 6 mph9 km/h
Precipitation: None

Support This Page