Yes
you do need a jacket based on the weather in San Jose, CA, USA 11 seconds ago
Why? Because it's cool. Pleasantly cool, but cool!
56°F14°C & Mostly Clear
Wind is 1 mph2 km/h from the Northwest, gusting to 6 mph9 km/h
| October 23 | ||||
| 7am | 56°F14°C | 2 mph3 km/h Northwest | Mostly Clear | |
| 8am | 55°F13°C | 2 mph4 km/h North | Mostly Clear | |
| 9am | 54°F12°C | 2 mph3 km/h Northwest | Mostly Clear | |
| 10am | 55°F13°C | 1 mph2 km/h Northwest | Mostly Cloudy | |
| 11am | 55°F13°C | 2 mph3 km/h Northwest | Mostly Cloudy | |
| 12pm | 55°F13°C | 2 mph3 km/h Northwest | Mostly Cloudy | |
| 1pm | 55°F13°C | 1 mph2 km/h North | Cloudy | |
| 2pm | 54°F12°C | 1 mph2 km/h Northeast | Mostly Cloudy | |
| 3pm | 54°F12°C | 2 mph3 km/h East | Mostly Cloudy | |
| 4pm | 56°F13°C | 1 mph2 km/h Southwest | Mostly Cloudy | |
| 5pm | 58°F15°C | 2 mph3 km/h West | Mostly Cloudy | |
| 6pm | 61°F16°C | 2 mph3 km/h West | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| October 22 | 56°F14°C | 71°F21°C | 3 mph5 km/h from Northwest | Mostly Cloudy | Partly Cloudy |
| October 23 | 54°F12°C | 72°F22°C | 3 mph5 km/h from Northwest | Mostly Clear | Mostly Clear |
| October 24 | 50°F10°C | 70°F21°C | 4 mph6 km/h from Northwest | Partly Cloudy | Mostly Cloudy |
| October 25 | 52°F11°C | 68°F20°C | 4 mph7 km/h from South | Cloudy | Partly Cloudy |
| October 26 | 51°F11°C | 66°F19°C | 3 mph5 km/h from South | Drizzle | Mostly Clear |
| October 27 | 51°F11°C | 69°F20°C | 3 mph5 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| October 28 | 55°F13°C | 75°F24°C | 4 mph7 km/h from Northwest | Mostly Clear | Mostly Clear |
Yes
Low of 54°F12°C, High of 72°F22°CWind: 3 mph5 km/h
Precipitation: None