Yes
you do need a jacket based on the weather in Vacaville, CA 95688, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool.
51°F11°C & Mostly Cloudy
Wind is 4 mph6 km/h from the SW, gusting to 6 mph9 km/h
| April 20 | ||||
| 9am | 51°F11°C | 4 mph7 km/h W | Mostly Cloudy | |
| 10am | 53°F11°C | 4 mph6 km/h W | Mostly Cloudy | |
| 11am | 56°F13°C | 3 mph5 km/h W | Partly Cloudy | |
| 12pm | 61°F16°C | 3 mph4 km/h W | Mostly Clear | |
| 1pm | 65°F18°C | 3 mph4 km/h S | Mostly Clear | |
| 2pm | 69°F21°C | 3 mph4 km/h S | Clear | |
| 3pm | 73°F23°C | 4 mph6 km/h S | Clear | |
| 4pm | 76°F24°C | 4 mph7 km/h S | Clear | |
| 5pm | 78°F26°C | 5 mph7 km/h SW | Clear | |
| 6pm | 80°F26°C | 7 mph12 km/h SW | Clear | |
| 7pm | 80°F27°C | 9 mph14 km/h SW | Clear | |
| 8pm | 80°F27°C | 9 mph15 km/h SW | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 20 | 51°F11°C | 80°F27°C | 5 mph8 km/h from SW | Mostly Clear | Mostly Clear |
| April 21 | 54°F12°C | 83°F28°C | 3 mph5 km/h from NW | Clear | Mostly Clear |
| April 22 | 58°F14°C | 81°F27°C | 7 mph11 km/h from SW | Mostly Clear | Mostly Clear |
| April 23 | 53°F12°C | 69°F20°C | 9 mph15 km/h from SW | Mostly Clear | Mostly Clear |
| April 24 | 50°F10°C | 69°F21°C | 7 mph12 km/h from SW | Mostly Clear | Mostly Clear |
| April 25 | 48°F9°C | 69°F20°C | 7 mph11 km/h from SW | Partly Cloudy | Partly Cloudy |
| April 26 | 51°F11°C | 69°F20°C | 7 mph12 km/h from W | Partly Cloudy | Clear |
Yes
Low of 54°F12°C, High of 83°F29°CWind: 3 mph5 km/h
Precipitation: None