Yes
you do need a jacket based on the weather in Norman Y. Mineta San Jose International Airport (SJC), 1701 Airport Blvd, San Jose, CA 95110, USA 1 second ago
Why? Because it's not very warm out.
56°F13°C & Partly Cloudy
Wind is 4 mph6 km/h from the W, gusting to 10 mph16 km/h
| April 26 | ||||
| 5am | 56°F13°C | 5 mph7 km/h W | Cloudy | |
| 6am | 56°F13°C | 3 mph6 km/h W | Cloudy | |
| 7am | 55°F13°C | 4 mph7 km/h W | Cloudy | |
| 8am | 55°F13°C | 6 mph9 km/h NW | Cloudy | |
| 9am | 55°F13°C | 7 mph11 km/h NW | Mostly Cloudy | |
| 10am | 54°F12°C | 7 mph12 km/h NW | Mostly Cloudy | |
| 11am | 55°F13°C | 8 mph13 km/h NW | Mostly Cloudy | |
| 12pm | 57°F14°C | 10 mph16 km/h NW | Mostly Cloudy | |
| 1pm | 59°F15°C | 11 mph17 km/h NW | Mostly Cloudy | |
| 2pm | 61°F16°C | 12 mph20 km/h NW | Partly Cloudy | |
| 3pm | 64°F18°C | 14 mph22 km/h NW | Partly Cloudy | |
| 4pm | 65°F18°C | 15 mph24 km/h NW | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 26 | 54°F12°C | 66°F19°C | 13 mph21 km/h from NW | Partly Cloudy | Partly Cloudy |
| April 27 | 50°F10°C | 70°F21°C | 7 mph11 km/h from NW | Mostly Clear | Mostly Clear |
| April 28 | 50°F10°C | 71°F22°C | 8 mph12 km/h from NW | Mostly Clear | Mostly Clear |
| April 29 | 49°F10°C | 71°F22°C | 6 mph10 km/h from NW | Mostly Clear | Clear |
| April 30 | 49°F9°C | 74°F23°C | 6 mph10 km/h from NW | Clear | Clear |
| May 1 | 49°F9°C | 76°F24°C | 7 mph12 km/h from NW | Clear | Clear |
| May 2 | 51°F10°C | 72°F22°C | 6 mph10 km/h from NW | Mostly Clear | Mostly Clear |
Yes
Low of 50°F10°C, High of 70°F21°CWind: 7 mph11 km/h
Precipitation: None