No
you don't need a jacket based on the weather in San Jose, CA, USA 1 second ago
80°F26°C & Clear
Wind is 7 mph11 km/h from the Northwest, gusting to 10 mph16 km/h
| September 1 | ||||
| 4pm | 81°F27°C | 7 mph11 km/h Northwest | Clear | |
| 5pm | 84°F29°C | 7 mph12 km/h Northwest | Clear | |
| 6pm | 86°F30°C | 8 mph13 km/h Northwest | Clear | |
| 7pm | 87°F30°C | 8 mph13 km/h Northwest | Clear | |
| 8pm | 86°F30°C | 8 mph13 km/h Northwest | Clear | |
| 9pm | 84°F29°C | 7 mph12 km/h Northwest | Clear | |
| 10pm | 80°F26°C | 5 mph9 km/h Northwest | Clear | |
| 11pm | 78°F25°C | 3 mph5 km/h Northwest | Clear | |
| September 2 | ||||
| 12am | 75°F24°C | 3 mph4 km/h Northwest | Clear | |
| 1am | 73°F23°C | 3 mph4 km/h Northwest | Clear | |
| 2am | 71°F22°C | 2 mph4 km/h Northwest | Clear | |
| 3am | 70°F21°C | 2 mph3 km/h Southeast | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 1 | 62°F16°C | 87°F30°C | 5 mph9 km/h from Northwest | Clear | Clear |
| September 2 | 65°F18°C | 90°F32°C | 4 mph7 km/h from West | Clear | Clear |
| September 3 | 59°F15°C | 84°F29°C | 5 mph7 km/h from Northwest | Mostly Clear | Mostly Clear |
| September 4 | 58°F15°C | 81°F27°C | 5 mph8 km/h from Northwest | Partly Cloudy | Partly Cloudy |
| September 5 | 59°F15°C | 77°F25°C | 5 mph9 km/h from Northwest | Mostly Clear | Partly Cloudy |
| September 6 | 56°F14°C | 77°F25°C | 5 mph8 km/h from Northwest | Mostly Clear | Mostly Clear |
| September 7 | 58°F15°C | 79°F26°C | 5 mph8 km/h from Northwest | Mostly Clear | Partly Cloudy |
No
Low of 65°F19°C, High of 91°F33°CWind: 4 mph7 km/h
Precipitation: None