Yes
you do need a jacket based on the weather in Sunnyvale, CA, USA 1 second ago
Why? Because sorry, it's too cool for just a hoodie!
56°F13°C & Cloudy
Wind is 1 mph2 km/h from the North, gusting to 3 mph5 km/h
| March 10 | ||||
| 3pm | 58°F14°C | 2 mph3 km/h North | Partly Cloudy | |
| 4pm | 60°F15°C | 2 mph4 km/h Northeast | Mostly Cloudy | |
| 5pm | 63°F17°C | 3 mph5 km/h Northeast | Mostly Cloudy | |
| 6pm | 65°F18°C | 3 mph5 km/h Northeast | Mostly Cloudy | |
| 7pm | 66°F19°C | 3 mph5 km/h Northeast | Partly Cloudy | |
| 8pm | 66°F19°C | 4 mph6 km/h Northwest | Mostly Cloudy | |
| 9pm | 64°F18°C | 4 mph6 km/h Northwest | Mostly Cloudy | |
| 10pm | 59°F15°C | 4 mph7 km/h West | Mostly Cloudy | |
| 11pm | 55°F13°C | 4 mph6 km/h West | Mostly Cloudy | |
| March 11 | ||||
| 12am | 53°F12°C | 3 mph5 km/h West | Mostly Cloudy | |
| 1am | 51°F11°C | 3 mph4 km/h West | Mostly Cloudy | |
| 2am | 50°F10°C | 2 mph4 km/h West | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 10 | 42°F6°C | 66°F19°C | 2 mph4 km/h from North | Mostly Cloudy | Mostly Cloudy |
| March 11 | 45°F7°C | 64°F18°C | 4 mph7 km/h from Southwest | Partly Cloudy | Cloudy |
| March 12 | 47°F8°C | 58°F14°C | 12 mph19 km/h from South | Rain | Rain |
| March 13 | 43°F6°C | 55°F13°C | 8 mph12 km/h from West | Drizzle | Rain |
| March 14 | 42°F6°C | 56°F13°C | 9 mph14 km/h from South | Rain | Mostly Cloudy |
| March 15 | 46°F8°C | 60°F16°C | 4 mph6 km/h from West | Mostly Cloudy | Partly Cloudy |
| March 16 | 45°F7°C | 62°F17°C | 5 mph8 km/h from South | Drizzle | Drizzle |
Yes
Low of 45°F7°C, High of 64°F18°CWind: 4 mph7 km/h
Precipitation: None