Yes
you do need a jacket based on the weather in Castro Valley, CA, USA 1 second ago
Why? Because it's pretty chilly!
56°F13°C & Cloudy
Wind is 2 mph3 km/h from the West, gusting to 6 mph9 km/h
| November 6 | ||||
| 10am | 55°F13°C | 3 mph4 km/h Northwest | Mostly Cloudy | |
| 11am | 55°F13°C | 3 mph5 km/h Northwest | Partly Cloudy | |
| 12pm | 54°F12°C | 2 mph4 km/h Northwest | Mostly Cloudy | |
| 1pm | 54°F12°C | 2 mph3 km/h Northeast | Mostly Cloudy | |
| 2pm | 54°F12°C | 2 mph4 km/h North | Mostly Cloudy | |
| 3pm | 55°F13°C | 2 mph4 km/h Northwest | Mostly Cloudy | |
| 4pm | 57°F14°C | 2 mph3 km/h Northwest | Mostly Cloudy | |
| 5pm | 59°F15°C | 1 mph2 km/h West | Mostly Cloudy | |
| 6pm | 62°F16°C | 2 mph3 km/h West | Partly Cloudy | |
| 7pm | 64°F18°C | 3 mph4 km/h West | Mostly Clear | |
| 8pm | 66°F19°C | 5 mph8 km/h West | Mostly Clear | |
| 9pm | 67°F19°C | 6 mph9 km/h West | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| November 6 | 54°F12°C | 67°F19°C | 4 mph7 km/h from West | Mostly Clear | Mostly Cloudy |
| November 7 | 55°F13°C | 68°F20°C | 4 mph6 km/h from West | Mostly Cloudy | Partly Cloudy |
| November 8 | 52°F11°C | 73°F23°C | 3 mph5 km/h from Northeast | Mostly Clear | Mostly Clear |
| November 9 | 53°F11°C | 77°F25°C | 3 mph5 km/h from Northeast | Mostly Clear | Partly Cloudy |
| November 10 | 54°F12°C | 78°F26°C | 2 mph4 km/h from Northeast | Mostly Cloudy | Mostly Cloudy |
| November 11 | 54°F12°C | 74°F24°C | 2 mph3 km/h from Northwest | Partly Cloudy | Mostly Cloudy |
| November 12 | 55°F13°C | 67°F20°C | 5 mph8 km/h from South | Mostly Cloudy | Rain |
Yes
Low of 55°F13°C, High of 69°F21°CWind: 4 mph6 km/h
Precipitation: 50% clear