Yes
you do need a jacket based on the weather in Vallejo, CA, USA 1 second ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it!
58°F14°C & Mostly Clear
Wind is 8 mph13 km/h from the Southwest, gusting to 16 mph26 km/h
| August 2 | ||||
| 5am | 58°F14°C | 8 mph13 km/h Southwest | Mostly Clear | |
| 6am | 57°F14°C | 8 mph13 km/h Southwest | Mostly Clear | |
| 7am | 57°F14°C | 7 mph12 km/h Southwest | Mostly Clear | |
| 8am | 57°F14°C | 7 mph11 km/h Southwest | Partly Cloudy | |
| 9am | 56°F14°C | 6 mph10 km/h Southwest | Partly Cloudy | |
| 10am | 57°F14°C | 6 mph9 km/h Southwest | Partly Cloudy | |
| 11am | 59°F15°C | 6 mph10 km/h Southwest | Partly Cloudy | |
| 12pm | 62°F17°C | 7 mph11 km/h Southwest | Mostly Clear | |
| 1pm | 65°F18°C | 6 mph10 km/h Southwest | Mostly Clear | |
| 2pm | 68°F20°C | 7 mph11 km/h Southwest | Mostly Clear | |
| 3pm | 71°F22°C | 8 mph12 km/h Southwest | Clear | |
| 4pm | 75°F24°C | 8 mph13 km/h Southwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 2 | 56°F14°C | 80°F26°C | 8 mph13 km/h from Southwest | Mostly Clear | Mostly Clear |
| August 3 | 57°F14°C | 77°F25°C | 10 mph16 km/h from Southwest | Clear | Clear |
| August 4 | 56°F14°C | 77°F25°C | 9 mph14 km/h from Southwest | Clear | Mostly Clear |
| August 5 | 55°F13°C | 81°F27°C | 7 mph11 km/h from Southwest | Clear | Mostly Clear |
| August 6 | 56°F14°C | 83°F28°C | 7 mph11 km/h from Southwest | Mostly Clear | Partly Cloudy |
| August 7 | 58°F15°C | 80°F27°C | 7 mph12 km/h from Southwest | Mostly Clear | Mostly Clear |
| August 8 | 58°F15°C | 73°F23°C | 8 mph14 km/h from Southwest | Mostly Clear | Partly Cloudy |
Yes
Low of 56°F14°C, High of 77°F25°CWind: 10 mph16 km/h
Precipitation: None