No
you don't need a jacket based on the weather in Vallejo, CA, USA 1 second ago
68°F20°C & Clear
Wind is 6 mph9 km/h from the Southwest, gusting to 9 mph14 km/h
| October 30 | ||||
| 9pm | 69°F20°C | 6 mph10 km/h Southwest | Mostly Clear | |
| 10pm | 70°F21°C | 7 mph10 km/h Southwest | Mostly Clear | |
| 11pm | 70°F21°C | 7 mph11 km/h Southwest | Partly Cloudy | |
| October 31 | ||||
| 12am | 68°F20°C | 7 mph12 km/h Southwest | Mostly Cloudy | |
| 1am | 65°F18°C | 7 mph11 km/h Southwest | Mostly Cloudy | |
| 2am | 61°F16°C | 7 mph11 km/h West | Mostly Cloudy | |
| 3am | 59°F15°C | 5 mph9 km/h Southwest | Mostly Cloudy | |
| 4am | 57°F14°C | 5 mph9 km/h Southwest | Mostly Cloudy | |
| 5am | 57°F14°C | 6 mph9 km/h Southwest | Partly Cloudy | |
| 6am | 56°F13°C | 5 mph9 km/h Southwest | Mostly Clear | |
| 7am | 55°F13°C | 5 mph8 km/h Southwest | Mostly Clear | |
| 8am | 55°F13°C | 5 mph7 km/h Southwest | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| October 30 | 53°F12°C | 70°F21°C | 5 mph8 km/h from Southwest | Mostly Cloudy | Partly Cloudy |
| October 31 | 53°F12°C | 72°F22°C | 5 mph7 km/h from Southwest | Partly Cloudy | Mostly Clear |
| November 1 | 53°F12°C | 73°F23°C | 3 mph5 km/h from Southwest | Mostly Clear | Mostly Clear |
| November 2 | 54°F12°C | 75°F24°C | 2 mph4 km/h from West | Partly Cloudy | Partly Cloudy |
| November 3 | 54°F12°C | 68°F20°C | 7 mph11 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
| November 4 | 55°F13°C | 68°F20°C | 4 mph7 km/h from Southwest | Mostly Cloudy | Rain |
| November 5 | 55°F13°C | 63°F17°C | 14 mph22 km/h from South | Rain | Drizzle |
Yes
Low of 53°F12°C, High of 73°F23°CWind: 5 mph7 km/h
Precipitation: None