Yes
you do need a jacket based on the weather in Sunnyvale, CA 94086, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
58°F15°C & Partly Cloudy
Wind is 2 mph3 km/h from the Southwest, gusting to 8 mph13 km/h
| October 25 | ||||
| 4am | 58°F15°C | 2 mph4 km/h Southwest | Partly Cloudy | |
| 5am | 58°F14°C | 2 mph4 km/h Southeast | Mostly Cloudy | |
| 6am | 57°F14°C | 2 mph4 km/h Southeast | Cloudy | |
| 7am | 57°F14°C | 2 mph4 km/h Southeast | Cloudy | |
| 8am | 56°F13°C | 2 mph3 km/h Southeast | Cloudy | |
| 9am | 55°F13°C | 2 mph4 km/h South | Cloudy | |
| 10am | 55°F13°C | 2 mph3 km/h South | Cloudy | |
| 11am | 54°F12°C | 2 mph4 km/h South | Cloudy | |
| 12pm | 53°F12°C | 2 mph4 km/h South | Cloudy | |
| 1pm | 53°F11°C | 3 mph5 km/h South | Cloudy | |
| 2pm | 53°F12°C | 3 mph5 km/h South | Cloudy | |
| 3pm | 54°F12°C | 4 mph6 km/h South | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| October 24 | 52°F11°C | 69°F21°C | 3 mph5 km/h from North | Partly Cloudy | Mostly Cloudy |
| October 25 | 53°F11°C | 67°F20°C | 3 mph5 km/h from Southwest | Cloudy | Mostly Cloudy |
| October 26 | 51°F11°C | 68°F20°C | 4 mph6 km/h from Southwest | Mostly Cloudy | Mostly Clear |
| October 27 | 48°F9°C | 69°F21°C | 5 mph7 km/h from Northwest | Mostly Clear | Clear |
| October 28 | 51°F10°C | 76°F24°C | 4 mph6 km/h from Northwest | Clear | Clear |
| October 29 | 54°F12°C | 79°F26°C | 4 mph6 km/h from Northwest | Clear | Mostly Clear |
| October 30 | 56°F13°C | 78°F25°C | 3 mph5 km/h from Northwest | Mostly Clear | Mostly Clear |
Yes
Low of 53°F12°C, High of 67°F20°CWind: 3 mph5 km/h
Precipitation: None