Yes
you do need a jacket based on the weather in San Jose, CA, USA 4 minutes ago
Why? Because it's not very warm out!
56°F13°C & Clear
Wind is 1 mph1 km/h from the Southeast, gusting to 1 mph2 km/h
| October 18 | ||||
| 11am | 55°F13°C | 3 mph4 km/h Northwest | Clear | |
| 12pm | 54°F12°C | 3 mph4 km/h Southwest | Clear | |
| 1pm | 54°F12°C | 2 mph4 km/h Southeast | Clear | |
| 2pm | 53°F12°C | 3 mph4 km/h Southeast | Clear | |
| 3pm | 54°F12°C | 3 mph4 km/h South | Clear | |
| 4pm | 59°F15°C | 1 mph2 km/h Southeast | Clear | |
| 5pm | 65°F18°C | 1 mph2 km/h Southwest | Clear | |
| 6pm | 69°F21°C | 2 mph3 km/h Northwest | Clear | |
| 7pm | 73°F23°C | 2 mph4 km/h Northwest | Clear | |
| 8pm | 76°F24°C | 3 mph4 km/h Northwest | Clear | |
| 9pm | 78°F26°C | 3 mph5 km/h Northwest | Clear | |
| 10pm | 79°F26°C | 4 mph6 km/h Northwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| October 18 | 53°F12°C | 79°F26°C | 3 mph5 km/h from Northwest | Clear | Clear |
| October 19 | 55°F13°C | 76°F24°C | 3 mph5 km/h from Northwest | Clear | Clear |
| October 20 | 53°F12°C | 79°F26°C | 3 mph5 km/h from Northwest | Clear | Clear |
| October 21 | 57°F14°C | 79°F26°C | 3 mph5 km/h from Northwest | Clear | Partly Cloudy |
| October 22 | 55°F13°C | 72°F22°C | 3 mph6 km/h from West | Mostly Clear | Partly Cloudy |
| October 23 | 52°F11°C | 70°F21°C | 3 mph5 km/h from Northwest | Partly Cloudy | Partly Cloudy |
| October 24 | 52°F11°C | 67°F19°C | 3 mph5 km/h from Northwest | Mostly Cloudy | Rain |
Yes
Low of 55°F13°C, High of 76°F25°CWind: 3 mph5 km/h
Precipitation: None