No
you don't need a jacket based on the weather in San Jose, CA, USA 1 second ago
64°F18°C & Mostly Clear
Wind is 3 mph5 km/h from the West, gusting to 7 mph11 km/h
| May 7 | ||||
| 12am | 64°F18°C | 3 mph4 km/h West | Clear | |
| 1am | 61°F16°C | 3 mph5 km/h West | Clear | |
| 2am | 59°F15°C | 3 mph5 km/h Southwest | Clear | |
| 3am | 57°F14°C | 3 mph5 km/h Southwest | Clear | |
| 4am | 56°F13°C | 4 mph6 km/h Southwest | Clear | |
| 5am | 55°F13°C | 3 mph5 km/h South | Mostly Clear | |
| 6am | 54°F12°C | 4 mph6 km/h South | Mostly Clear | |
| 7am | 54°F12°C | 4 mph6 km/h Southeast | Mostly Clear | |
| 8am | 53°F12°C | 4 mph6 km/h Southeast | Mostly Clear | |
| 9am | 53°F11°C | 4 mph6 km/h Southeast | Mostly Clear | |
| 10am | 54°F12°C | 4 mph7 km/h Southeast | Mostly Clear | |
| 11am | 57°F14°C | 5 mph7 km/h South | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 6 | 53°F12°C | 80°F27°C | 4 mph6 km/h from Northwest | Clear | Clear |
| May 7 | 53°F11°C | 79°F26°C | 4 mph7 km/h from Southwest | Clear | Mostly Clear |
| May 8 | 52°F11°C | 80°F27°C | 5 mph8 km/h from Northwest | Mostly Clear | Clear |
| May 9 | 54°F12°C | 85°F30°C | 5 mph9 km/h from Northwest | Clear | Mostly Clear |
| May 10 | 56°F13°C | 84°F29°C | 6 mph9 km/h from Northwest | Clear | Clear |
| May 11 | 53°F12°C | 72°F22°C | 7 mph12 km/h from Northwest | Mostly Clear | Partly Cloudy |
| May 12 | 50°F10°C | 61°F16°C | 7 mph12 km/h from West | Drizzle | Partly Cloudy |
Yes
Low of 53°F12°C, High of 79°F26°CWind: 4 mph7 km/h
Precipitation: None