Yes
you do need a jacket based on the weather in Sunnyvale, CA 94086, USA 1 second ago
Why? Because it's not very warm out!
57°F14°C & Cloudy
Wind is 2 mph3 km/h from the Southeast, gusting to 5 mph8 km/h
| October 25 | ||||
| 2pm | 56°F13°C | 3 mph5 km/h South | Cloudy | |
| 3pm | 56°F13°C | 5 mph7 km/h Southeast | Cloudy | |
| 4pm | 57°F14°C | 5 mph8 km/h Southeast | Cloudy | |
| 5pm | 60°F16°C | 4 mph7 km/h Southeast | Cloudy | |
| 6pm | 62°F17°C | 3 mph5 km/h Southeast | Cloudy | |
| 7pm | 64°F18°C | 3 mph4 km/h South | Cloudy | |
| 8pm | 67°F20°C | 3 mph5 km/h South | Cloudy | |
| 9pm | 68°F20°C | 4 mph6 km/h West | Cloudy | |
| 10pm | 68°F20°C | 4 mph7 km/h Northwest | Cloudy | |
| 11pm | 67°F20°C | 5 mph7 km/h Northwest | Cloudy | |
| October 26 | ||||
| 12am | 67°F19°C | 4 mph7 km/h Northwest | Mostly Cloudy | |
| 1am | 65°F18°C | 4 mph6 km/h Northwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| October 25 | 56°F13°C | 68°F20°C | 4 mph6 km/h from Southwest | Cloudy | Mostly Cloudy |
| October 26 | 52°F11°C | 68°F20°C | 4 mph6 km/h from South | Mostly Cloudy | Partly Cloudy |
| October 27 | 52°F11°C | 69°F21°C | 5 mph8 km/h from Northwest | Mostly Clear | Clear |
| October 28 | 52°F11°C | 75°F24°C | 3 mph6 km/h from Northwest | Clear | Clear |
| October 29 | 53°F12°C | 77°F25°C | 4 mph6 km/h from Northwest | Clear | Mostly Clear |
| October 30 | 55°F13°C | 72°F22°C | 4 mph6 km/h from Northwest | Mostly Clear | Mostly Clear |
| October 31 | 52°F11°C | 75°F24°C | 3 mph4 km/h from Northwest | Mostly Clear | Clear |
Yes
Low of 52°F11°C, High of 68°F20°CWind: 4 mph6 km/h
Precipitation: None