No
you don't need a jacket based on the weather in Cupertino, CA, USA 2 minutes ago
81°F27°C & Clear
Wind is 8 mph13 km/h from the North, gusting to 12 mph19 km/h
| June 30 | ||||
| 7pm | 81°F27°C | 8 mph12 km/h Northwest | Clear | |
| 8pm | 80°F27°C | 7 mph11 km/h Northwest | Clear | |
| 9pm | 78°F26°C | 7 mph11 km/h North | Clear | |
| 10pm | 74°F23°C | 6 mph9 km/h North | Clear | |
| 11pm | 69°F21°C | 5 mph8 km/h North | Clear | |
| July 1 | ||||
| 12am | 65°F18°C | 4 mph6 km/h North | Clear | |
| 1am | 65°F18°C | 3 mph5 km/h Northwest | Clear | |
| 2am | 62°F17°C | 2 mph4 km/h Northwest | Clear | |
| 3am | 60°F16°C | 2 mph4 km/h West | Clear | |
| 4am | 59°F15°C | 2 mph4 km/h West | Mostly Clear | |
| 5am | 59°F15°C | 2 mph3 km/h West | Mostly Clear | |
| 6am | 58°F14°C | 2 mph3 km/h Southwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 30 | 58°F14°C | 81°F27°C | 5 mph8 km/h from North | Clear | Mostly Clear |
| July 1 | 56°F13°C | 86°F30°C | 4 mph7 km/h from Northwest | Clear | Clear |
| July 2 | 56°F13°C | 83°F28°C | 4 mph6 km/h from Northwest | Clear | Clear |
| July 3 | 56°F13°C | 81°F27°C | 5 mph9 km/h from Northwest | Mostly Clear | Mostly Clear |
| July 4 | 55°F13°C | 77°F25°C | 5 mph9 km/h from Northwest | Clear | Clear |
| July 5 | 54°F12°C | 78°F26°C | 4 mph7 km/h from West | Clear | Mostly Clear |
| July 6 | 54°F12°C | 78°F25°C | 4 mph7 km/h from Northwest | Clear | Mostly Clear |
Yes
Low of 55°F13°C, High of 86°F30°CWind: 4 mph7 km/h
Precipitation: None