Yes
you do need a jacket based on the weather in Vallejo, CA, USA 1 second ago
Why? Because it's not very warm out.
55°F13°C & Mostly Clear
Wind is 7 mph12 km/h from the W, gusting to 14 mph23 km/h
| April 25 | ||||
| 1am | 54°F12°C | 7 mph11 km/h W | Clear | |
| 2am | 53°F12°C | 6 mph10 km/h SW | Clear | |
| 3am | 52°F11°C | 6 mph9 km/h SW | Mostly Clear | |
| 4am | 52°F11°C | 6 mph9 km/h SW | Mostly Clear | |
| 5am | 51°F11°C | 6 mph9 km/h SW | Mostly Clear | |
| 6am | 50°F10°C | 6 mph9 km/h SW | Mostly Clear | |
| 7am | 50°F10°C | 6 mph10 km/h SW | Partly Cloudy | |
| 8am | 50°F10°C | 6 mph10 km/h SW | Partly Cloudy | |
| 9am | 50°F10°C | 6 mph10 km/h SW | Mostly Cloudy | |
| 10am | 50°F10°C | 6 mph9 km/h SW | Mostly Cloudy | |
| 11am | 51°F11°C | 7 mph11 km/h W | Mostly Cloudy | |
| 12pm | 53°F12°C | 7 mph11 km/h W | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 24 | 52°F11°C | 65°F18°C | 6 mph10 km/h from SW | Partly Cloudy | Mostly Clear |
| April 25 | 50°F10°C | 66°F19°C | 12 mph19 km/h from W | Mostly Cloudy | Partly Cloudy |
| April 26 | 52°F11°C | 65°F18°C | 15 mph24 km/h from W | Mostly Clear | Clear |
| April 27 | 47°F8°C | 69°F21°C | 8 mph13 km/h from W | Mostly Clear | Mostly Clear |
| April 28 | 50°F10°C | 72°F22°C | 8 mph13 km/h from W | Clear | Mostly Clear |
| April 29 | 51°F11°C | 70°F21°C | 8 mph13 km/h from W | Clear | Clear |
| April 30 | 48°F9°C | 71°F22°C | 7 mph12 km/h from W | Mostly Clear | Mostly Clear |
Yes
Low of 49°F10°C, High of 65°F19°CWind: 12 mph19 km/h
Precipitation: None