Yes
you do need a jacket based on the weather in San Jose (West San Jose), California, United States 1 second ago
Why? Because it's pretty chilly.
54°F12°C & Mostly Cloudy
Wind is 1 mph2 km/h from the S, gusting to 4 mph6 km/h
| April 19 | ||||
| 7am | 54°F12°C | 2 mph3 km/h S | Mostly Cloudy | |
| 8am | 53°F11°C | 2 mph3 km/h S | Mostly Cloudy | |
| 9am | 52°F11°C | 2 mph3 km/h S | Mostly Cloudy | |
| 10am | 52°F11°C | 2 mph3 km/h S | Mostly Cloudy | |
| 11am | 54°F12°C | 1 mph2 km/h S | Partly Cloudy | |
| 12pm | 57°F14°C | 1 mph2 km/h SW | Partly Cloudy | |
| 1pm | 61°F16°C | 2 mph3 km/h N | Mostly Clear | |
| 2pm | 66°F19°C | 2 mph4 km/h NW | Clear | |
| 3pm | 69°F21°C | 3 mph5 km/h NW | Clear | |
| 4pm | 72°F22°C | 4 mph6 km/h NW | Clear | |
| 5pm | 74°F23°C | 5 mph8 km/h NW | Clear | |
| 6pm | 75°F24°C | 6 mph10 km/h NW | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 19 | 52°F11°C | 75°F24°C | 4 mph7 km/h from NW | Mostly Clear | Mostly Clear |
| April 20 | 50°F10°C | 76°F24°C | 6 mph9 km/h from NW | Clear | Clear |
| April 21 | 51°F11°C | 77°F25°C | 4 mph6 km/h from N | Clear | Mostly Clear |
| April 22 | 56°F13°C | 77°F25°C | 4 mph6 km/h from W | Mostly Clear | Partly Cloudy |
| April 23 | 53°F12°C | 69°F21°C | 7 mph12 km/h from S | Mostly Cloudy | Mostly Cloudy |
| April 24 | 52°F11°C | 67°F19°C | 5 mph9 km/h from SW | Mostly Cloudy | Mostly Cloudy |
| April 25 | 49°F10°C | 68°F20°C | 6 mph10 km/h from NW | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 50°F10°C, High of 76°F25°CWind: 6 mph9 km/h
Precipitation: None