Yes
you do need a jacket based on the weather in Castro Valley, CA 94552, USA 1 second ago
Why? Because sorry, it's too cool for just a hoodie!
58°F14°C & Clear
Wind is 5 mph8 km/h from the Southwest, gusting to 9 mph15 km/h
| August 14 | ||||
| 11am | 58°F14°C | 5 mph8 km/h Southwest | Cloudy | |
| 12pm | 59°F15°C | 5 mph8 km/h Southwest | Mostly Cloudy | |
| 1pm | 61°F16°C | 5 mph8 km/h Southwest | Mostly Cloudy | |
| 2pm | 64°F18°C | 5 mph8 km/h Southwest | Partly Cloudy | |
| 3pm | 68°F20°C | 6 mph10 km/h Southwest | Mostly Clear | |
| 4pm | 72°F22°C | 8 mph12 km/h West | Clear | |
| 5pm | 73°F23°C | 9 mph14 km/h West | Clear | |
| 6pm | 74°F23°C | 10 mph16 km/h West | Clear | |
| 7pm | 73°F23°C | 9 mph15 km/h Southwest | Clear | |
| 8pm | 71°F22°C | 9 mph14 km/h Southwest | Clear | |
| 9pm | 68°F20°C | 9 mph14 km/h Southwest | Clear | |
| 10pm | 65°F18°C | 8 mph13 km/h Southwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 14 | 57°F14°C | 74°F23°C | 7 mph11 km/h from Southwest | Mostly Clear | Mostly Clear |
| August 15 | 55°F13°C | 80°F26°C | 6 mph10 km/h from Southwest | Clear | Mostly Cloudy |
| August 16 | 60°F16°C | 73°F23°C | 9 mph14 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| August 17 | 57°F14°C | 70°F21°C | 9 mph15 km/h from West | Mostly Clear | Partly Cloudy |
| August 18 | 55°F13°C | 75°F24°C | 7 mph11 km/h from West | Clear | Mostly Clear |
| August 19 | 55°F13°C | 77°F25°C | 5 mph8 km/h from Southwest | Mostly Clear | Partly Cloudy |
| August 20 | 54°F12°C | 80°F26°C | 4 mph7 km/h from West | Clear | Mostly Clear |
Yes
Low of 55°F13°C, High of 80°F27°CWind: 6 mph10 km/h
Precipitation: None