No
you don't need a jacket based on the weather in Walnut Creek, CA, USA 1 second ago
76°F24°C & Clear
Wind is 1 mph1 km/h from the West, gusting to 3 mph5 km/h
| August 8 | ||||
| 1pm | 76°F24°C | 1 mph2 km/h West | Clear | |
| 2pm | 81°F27°C | 3 mph4 km/h North | Clear | |
| 3pm | 85°F30°C | 4 mph7 km/h North | Clear | |
| 4pm | 89°F32°C | 5 mph8 km/h North | Clear | |
| 5pm | 92°F33°C | 5 mph9 km/h North | Clear | |
| 6pm | 93°F34°C | 5 mph9 km/h Northwest | Clear | |
| 7pm | 94°F34°C | 5 mph8 km/h Northwest | Clear | |
| 8pm | 91°F33°C | 7 mph11 km/h West | Clear | |
| 9pm | 87°F31°C | 8 mph12 km/h West | Clear | |
| 10pm | 82°F28°C | 7 mph11 km/h West | Clear | |
| 11pm | 76°F24°C | 6 mph9 km/h Southwest | Clear | |
| August 9 | ||||
| 12am | 72°F22°C | 5 mph9 km/h Southwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 8 | 60°F16°C | 94°F35°C | 4 mph7 km/h from Northwest | Clear | Clear |
| August 9 | 58°F14°C | 87°F30°C | 7 mph11 km/h from West | Clear | Mostly Clear |
| August 10 | 57°F14°C | 85°F29°C | 7 mph11 km/h from Southwest | Clear | Mostly Clear |
| August 11 | 57°F14°C | 81°F27°C | 8 mph13 km/h from Southwest | Clear | Mostly Clear |
| August 12 | 57°F14°C | 75°F24°C | 8 mph13 km/h from Southwest | Mostly Clear | Partly Cloudy |
| August 13 | 58°F15°C | 73°F23°C | 9 mph15 km/h from Southwest | Mostly Clear | Partly Cloudy |
| August 14 | 56°F14°C | 73°F23°C | 9 mph14 km/h from Southwest | Mostly Clear | Mostly Clear |
Yes
Low of 58°F15°C, High of 87°F31°CWind: 7 mph11 km/h
Precipitation: None