No
you don't need a jacket based on the weather in San Jose, CA, USA 1 second ago
79°F26°C & Clear
Wind is 10 mph16 km/h from the Northwest, gusting to 16 mph26 km/h
| June 17 | ||||
| 7pm | 79°F26°C | 10 mph17 km/h Northwest | Clear | |
| 8pm | 78°F25°C | 10 mph17 km/h Northwest | Clear | |
| 9pm | 75°F24°C | 9 mph15 km/h Northwest | Clear | |
| 10pm | 73°F23°C | 8 mph13 km/h Northwest | Clear | |
| 11pm | 70°F21°C | 6 mph10 km/h Northwest | Clear | |
| June 18 | ||||
| 12am | 67°F19°C | 4 mph6 km/h Northwest | Clear | |
| 1am | 64°F18°C | 3 mph4 km/h Northwest | Clear | |
| 2am | 62°F17°C | 2 mph3 km/h West | Clear | |
| 3am | 60°F16°C | 2 mph4 km/h Southwest | Clear | |
| 4am | 59°F15°C | 2 mph4 km/h Southwest | Clear | |
| 5am | 58°F14°C | 2 mph3 km/h South | Clear | |
| 6am | 57°F14°C | 2 mph3 km/h South | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 17 | 52°F11°C | 79°F26°C | 5 mph9 km/h from Northwest | Clear | Clear |
| June 18 | 55°F13°C | 86°F30°C | 5 mph8 km/h from Northwest | Clear | Clear |
| June 19 | 54°F12°C | 74°F23°C | 6 mph10 km/h from West | Clear | Partly Cloudy |
| June 20 | 50°F10°C | 70°F21°C | 8 mph13 km/h from West | Mostly Clear | Mostly Clear |
| June 21 | 51°F11°C | 72°F22°C | 8 mph13 km/h from Northwest | Clear | Clear |
| June 22 | 51°F11°C | 77°F25°C | 6 mph9 km/h from Northwest | Clear | Clear |
| June 23 | 51°F11°C | 81°F27°C | 5 mph8 km/h from Northwest | Clear | Mostly Clear |
Yes
Low of 55°F13°C, High of 85°F30°CWind: 5 mph8 km/h
Precipitation: None