No
you don't need a jacket based on the weather in San Jose, CA, USA 2 minutes ago
67°F19°C & Clear
Wind is 2 mph4 km/h from the Northwest, gusting to 4 mph7 km/h
| May 31 | ||||
| 5am | 65°F18°C | 3 mph4 km/h Northwest | Clear | |
| 6am | 63°F17°C | 3 mph4 km/h Northwest | Clear | |
| 7am | 62°F17°C | 1 mph2 km/h North | Clear | |
| 8am | 61°F16°C | 1 mph2 km/h East | Clear | |
| 9am | 60°F16°C | 2 mph2 km/h Northeast | Clear | |
| 10am | 63°F17°C | 1 mph2 km/h Northwest | Clear | |
| 11am | 68°F20°C | 1 mph2 km/h Northeast | Clear | |
| 12pm | 73°F23°C | 1 mph2 km/h West | Clear | |
| 1pm | 77°F25°C | 2 mph3 km/h Northwest | Clear | |
| 2pm | 83°F28°C | 3 mph4 km/h Northwest | Clear | |
| 3pm | 87°F31°C | 4 mph6 km/h Northwest | Clear | |
| 4pm | 90°F32°C | 6 mph9 km/h Northwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 31 | 60°F16°C | 92°F33°C | 4 mph7 km/h from Northwest | Clear | Partly Cloudy |
| June 1 | 57°F14°C | 80°F27°C | 5 mph9 km/h from West | Mostly Clear | Mostly Clear |
| June 2 | 53°F12°C | 79°F26°C | 5 mph8 km/h from West | Mostly Clear | Mostly Clear |
| June 3 | 56°F13°C | 79°F26°C | 4 mph6 km/h from West | Mostly Clear | Clear |
| June 4 | 55°F13°C | 80°F27°C | 4 mph7 km/h from West | Clear | Clear |
| June 5 | 57°F14°C | 82°F28°C | 4 mph7 km/h from West | Clear | Clear |
| June 6 | 58°F14°C | 84°F29°C | 4 mph7 km/h from Northwest | Clear | Clear |
Yes
Low of 57°F14°C, High of 81°F27°CWind: 5 mph9 km/h
Precipitation: None