No
you don't need a jacket based on the weather in Vallejo, CA, USA 1 second ago
62°F16°C & Mostly Clear
Wind is 6 mph9 km/h from the Southwest, gusting to 11 mph18 km/h
| August 27 | ||||
| 4am | 61°F16°C | 6 mph9 km/h Southwest | Mostly Clear | |
| 5am | 61°F16°C | 6 mph10 km/h Southwest | Clear | |
| 6am | 60°F16°C | 6 mph9 km/h Southwest | Mostly Clear | |
| 7am | 60°F15°C | 7 mph11 km/h Southwest | Mostly Clear | |
| 8am | 59°F15°C | 7 mph11 km/h Southwest | Mostly Clear | |
| 9am | 58°F15°C | 7 mph11 km/h Southwest | Partly Cloudy | |
| 10am | 59°F15°C | 7 mph11 km/h West | Partly Cloudy | |
| 11am | 60°F16°C | 7 mph12 km/h West | Mostly Cloudy | |
| 12pm | 62°F17°C | 7 mph12 km/h West | Mostly Cloudy | |
| 1pm | 65°F18°C | 8 mph12 km/h West | Partly Cloudy | |
| 2pm | 68°F20°C | 8 mph13 km/h Southwest | Mostly Clear | |
| 3pm | 71°F21°C | 9 mph14 km/h Southwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 27 | 58°F15°C | 76°F25°C | 9 mph15 km/h from Southwest | Mostly Clear | Mostly Clear |
| August 28 | 57°F14°C | 80°F27°C | 8 mph13 km/h from West | Clear | Mostly Clear |
| August 29 | 59°F15°C | 81°F27°C | 8 mph13 km/h from Southwest | Mostly Clear | Mostly Clear |
| August 30 | 59°F15°C | 86°F30°C | 6 mph10 km/h from Southwest | Clear | Clear |
| August 31 | 60°F16°C | 84°F29°C | 6 mph9 km/h from Southwest | Clear | Mostly Clear |
| September 1 | 58°F14°C | 75°F24°C | 9 mph14 km/h from Southwest | Mostly Clear | Partly Cloudy |
| September 2 | 58°F14°C | 73°F23°C | 8 mph13 km/h from Southwest | Partly Cloudy | Partly Cloudy |
Yes
Low of 57°F14°C, High of 81°F27°CWind: 8 mph13 km/h
Precipitation: None