Yes
you do need a jacket based on the weather in Pleasanton, CA, USA 1 second ago
Why? Because it's quite chilly!
41°F5°C & Clear
Wind is 5 mph8 km/h from the North, gusting to 9 mph14 km/h
| January 11 | ||||
| 11am | 41°F5°C | 5 mph9 km/h North | Clear | |
| 12pm | 46°F8°C | 5 mph9 km/h North | Clear | |
| 1pm | 52°F11°C | 8 mph13 km/h North | Clear | |
| 2pm | 56°F13°C | 11 mph17 km/h North | Clear | |
| 3pm | 59°F15°C | 11 mph18 km/h North | Clear | |
| 4pm | 62°F16°C | 13 mph21 km/h North | Clear | |
| 5pm | 62°F17°C | 14 mph23 km/h North | Clear | |
| 6pm | 62°F16°C | 13 mph21 km/h North | Clear | |
| 7pm | 60°F16°C | 12 mph19 km/h North | Clear | |
| 8pm | 56°F13°C | 9 mph15 km/h North | Clear | |
| 9pm | 53°F12°C | 9 mph15 km/h North | Clear | |
| 10pm | 51°F11°C | 9 mph14 km/h North | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| January 11 | 40°F4°C | 62°F17°C | 10 mph16 km/h from North | Clear | Clear |
| January 12 | 40°F5°C | 60°F15°C | 6 mph10 km/h from North | Clear | Clear |
| January 13 | 38°F3°C | 57°F14°C | 8 mph12 km/h from Northeast | Clear | Clear |
| January 14 | 35°F2°C | 59°F15°C | 2 mph4 km/h from Northeast | Clear | Clear |
| January 15 | 36°F2°C | 60°F15°C | 3 mph6 km/h from Northeast | Clear | Clear |
| January 16 | 37°F3°C | 62°F17°C | 2 mph4 km/h from Northeast | Clear | Clear |
| January 17 | 38°F4°C | 57°F14°C | 3 mph5 km/h from Southwest | Mostly Clear | Partly Cloudy |
Yes
Low of 40°F5°C, High of 60°F16°CWind: 6 mph10 km/h
Precipitation: None