Yes
you do need a jacket based on the weather in Walnut Creek, CA, USA 1 second ago
Why? Because it's pretty chilly!
51°F11°C & Mostly Cloudy
Wind is 4 mph6 km/h from the Southwest, gusting to 6 mph10 km/h
| February 25 | ||||
| 5am | 50°F10°C | 4 mph6 km/h Southwest | Partly Cloudy | |
| 6am | 49°F9°C | 4 mph6 km/h Southwest | Partly Cloudy | |
| 7am | 48°F9°C | 3 mph6 km/h Southwest | Partly Cloudy | |
| 8am | 47°F8°C | 3 mph5 km/h Southwest | Partly Cloudy | |
| 9am | 47°F8°C | 3 mph5 km/h Southwest | Partly Cloudy | |
| 10am | 46°F8°C | 3 mph5 km/h Southwest | Partly Cloudy | |
| 11am | 49°F9°C | 3 mph5 km/h West | Mostly Clear | |
| 12pm | 53°F12°C | 3 mph4 km/h North | Mostly Clear | |
| 1pm | 57°F14°C | 4 mph7 km/h North | Clear | |
| 2pm | 59°F15°C | 5 mph9 km/h North | Clear | |
| 3pm | 62°F16°C | 5 mph9 km/h North | Clear | |
| 4pm | 63°F17°C | 5 mph9 km/h North | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| February 25 | 46°F8°C | 65°F18°C | 4 mph7 km/h from North | Clear | Clear |
| February 26 | 45°F7°C | 69°F20°C | 4 mph6 km/h from Northeast | Clear | Mostly Cloudy |
| February 27 | 46°F8°C | 68°F20°C | 5 mph8 km/h from Northeast | Partly Cloudy | Partly Cloudy |
| February 28 | 48°F9°C | 65°F18°C | 6 mph10 km/h from Southwest | Mostly Clear | Mostly Cloudy |
| March 1 | 47°F9°C | 58°F14°C | 8 mph12 km/h from Southwest | Mostly Cloudy | Drizzle |
| March 2 | 47°F8°C | 56°F14°C | 10 mph15 km/h from West | Drizzle | Partly Cloudy |
| March 3 | 44°F7°C | 56°F14°C | 6 mph10 km/h from Southwest | Partly Cloudy | Partly Cloudy |
Yes
Low of 45°F7°C, High of 69°F21°CWind: 4 mph6 km/h
Precipitation: None