No
you don't need a jacket based on the weather in San Jose, CA, USA 1 second ago
62°F17°C & Clear
Wind is 4 mph6 km/h from the Northwest, gusting to 7 mph12 km/h
| June 27 | ||||
| 1am | 62°F16°C | 4 mph6 km/h Northwest | Clear | |
| 2am | 60°F16°C | 3 mph5 km/h West | Clear | |
| 3am | 59°F15°C | 2 mph4 km/h Southwest | Clear | |
| 4am | 58°F15°C | 3 mph4 km/h South | Clear | |
| 5am | 57°F14°C | 3 mph4 km/h South | Clear | |
| 6am | 56°F14°C | 1 mph2 km/h South | Clear | |
| 7am | 56°F13°C | 2 mph2 km/h South | Clear | |
| 8am | 55°F13°C | 2 mph3 km/h Southeast | Mostly Clear | |
| 9am | 55°F13°C | 2 mph3 km/h South | Clear | |
| 10am | 57°F14°C | 2 mph4 km/h South | Clear | |
| 11am | 61°F16°C | 2 mph4 km/h South | Clear | |
| 12pm | 65°F18°C | 2 mph3 km/h South | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 26 | 54°F12°C | 77°F25°C | 4 mph6 km/h from Northwest | Clear | Clear |
| June 27 | 55°F13°C | 86°F30°C | 4 mph7 km/h from Northwest | Clear | Clear |
| June 28 | 59°F15°C | 88°F31°C | 4 mph6 km/h from West | Clear | Clear |
| June 29 | 59°F15°C | 87°F30°C | 4 mph6 km/h from West | Clear | Clear |
| June 30 | 59°F15°C | 84°F29°C | 4 mph7 km/h from Northwest | Clear | Clear |
| July 1 | 58°F14°C | 84°F29°C | 4 mph6 km/h from West | Clear | Mostly Clear |
| July 2 | 60°F15°C | 85°F29°C | 5 mph8 km/h from West | Clear | Mostly Clear |
Yes
Low of 55°F13°C, High of 86°F30°CWind: 4 mph7 km/h
Precipitation: None