No
you don't need a jacket based on the weather in Sunnyvale, CA 94086, USA 1 second ago
74°F23°C & Clear
Wind is 4 mph6 km/h from the North, gusting to 6 mph9 km/h
| August 9 | ||||
| 3pm | 77°F25°C | 4 mph6 km/h North | Clear | |
| 4pm | 81°F27°C | 6 mph10 km/h North | Clear | |
| 5pm | 84°F29°C | 7 mph11 km/h North | Clear | |
| 6pm | 86°F30°C | 8 mph12 km/h North | Clear | |
| 7pm | 87°F31°C | 8 mph13 km/h Northwest | Clear | |
| 8pm | 86°F30°C | 8 mph12 km/h Northwest | Clear | |
| 9pm | 83°F28°C | 7 mph12 km/h Northwest | Clear | |
| 10pm | 79°F26°C | 6 mph10 km/h Northwest | Clear | |
| 11pm | 74°F23°C | 6 mph9 km/h Northwest | Clear | |
| August 10 | ||||
| 12am | 69°F21°C | 5 mph7 km/h Northwest | Clear | |
| 1am | 66°F19°C | 4 mph6 km/h Northwest | Clear | |
| 2am | 64°F18°C | 3 mph5 km/h Northwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 9 | 62°F17°C | 87°F31°C | 5 mph8 km/h from North | Mostly Clear | Clear |
| August 10 | 58°F15°C | 85°F29°C | 5 mph7 km/h from Northwest | Clear | Clear |
| August 11 | 58°F15°C | 82°F28°C | 5 mph8 km/h from Northwest | Clear | Clear |
| August 12 | 58°F14°C | 81°F27°C | 5 mph8 km/h from Northwest | Clear | Mostly Clear |
| August 13 | 58°F14°C | 78°F25°C | 5 mph8 km/h from Northwest | Clear | Mostly Clear |
| August 14 | 58°F14°C | 75°F24°C | 5 mph8 km/h from Northwest | Clear | Clear |
| August 15 | 56°F13°C | 74°F23°C | 5 mph7 km/h from West | Mostly Clear | Partly Cloudy |
Yes
Low of 58°F15°C, High of 85°F30°CWind: 5 mph7 km/h
Precipitation: None