Yes
you do need a jacket based on the weather in Vacaville, CA, USA 1 second ago
Why? Because it's not very warm out.
56°F13°C & Mostly Clear
Wind is 4 mph7 km/h from the W, gusting to 9 mph14 km/h
| April 19 | ||||
| 11am | 56°F13°C | 4 mph7 km/h W | Mostly Clear | |
| 12pm | 60°F16°C | 4 mph7 km/h SW | Clear | |
| 1pm | 64°F18°C | 4 mph7 km/h SW | Clear | |
| 2pm | 68°F20°C | 5 mph8 km/h SW | Clear | |
| 3pm | 72°F22°C | 6 mph10 km/h SW | Clear | |
| 4pm | 74°F23°C | 8 mph12 km/h SW | Clear | |
| 5pm | 76°F24°C | 9 mph14 km/h SW | Clear | |
| 6pm | 77°F25°C | 9 mph15 km/h SW | Clear | |
| 7pm | 78°F25°C | 10 mph16 km/h SW | Clear | |
| 8pm | 76°F24°C | 11 mph18 km/h SW | Clear | |
| 9pm | 73°F23°C | 11 mph18 km/h SW | Clear | |
| 10pm | 70°F21°C | 10 mph16 km/h SW | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 19 | 52°F11°C | 78°F25°C | 7 mph12 km/h from SW | Clear | Partly Cloudy |
| April 20 | 51°F11°C | 80°F27°C | 7 mph11 km/h from SW | Mostly Clear | Clear |
| April 21 | 52°F11°C | 83°F28°C | 4 mph7 km/h from NW | Clear | Mostly Clear |
| April 22 | 54°F12°C | 82°F28°C | 6 mph10 km/h from W | Mostly Clear | Mostly Clear |
| April 23 | 52°F11°C | 69°F21°C | 12 mph20 km/h from SW | Partly Cloudy | Partly Cloudy |
| April 24 | 51°F11°C | 69°F21°C | 9 mph14 km/h from SW | Partly Cloudy | Mostly Clear |
| April 25 | 48°F9°C | 66°F19°C | 9 mph14 km/h from SW | Partly Cloudy | Partly Cloudy |
Yes
Low of 51°F11°C, High of 80°F27°CWind: 7 mph11 km/h
Precipitation: None