No
you don't need a jacket based on the weather in Vacaville, CA, USA 12 minutes ago
69°F21°C & Clear
Wind is 7 mph11 km/h from the West, gusting to 14 mph23 km/h
| September 12 | ||||
| 12am | 69°F21°C | 6 mph10 km/h Southwest | Clear | |
| 1am | 67°F20°C | 5 mph9 km/h Southwest | Clear | |
| 2am | 66°F19°C | 5 mph8 km/h Southwest | Clear | |
| 3am | 65°F18°C | 4 mph6 km/h Southwest | Clear | |
| 4am | 64°F18°C | 5 mph8 km/h Southwest | Clear | |
| 5am | 63°F17°C | 4 mph6 km/h Southwest | Clear | |
| 6am | 62°F17°C | 4 mph6 km/h West | Clear | |
| 7am | 61°F16°C | 5 mph7 km/h West | Clear | |
| 8am | 60°F16°C | 4 mph7 km/h West | Clear | |
| 9am | 60°F15°C | 4 mph7 km/h West | Clear | |
| 10am | 60°F15°C | 4 mph7 km/h West | Clear | |
| 11am | 62°F17°C | 4 mph7 km/h West | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 11 | 60°F16°C | 81°F27°C | 4 mph6 km/h from Southwest | Mostly Clear | Clear |
| September 12 | 59°F15°C | 84°F29°C | 7 mph11 km/h from Southwest | Clear | Clear |
| September 13 | 59°F15°C | 84°F29°C | 9 mph15 km/h from Southwest | Clear | Clear |
| September 14 | 57°F14°C | 85°F30°C | 6 mph9 km/h from Southwest | Clear | Clear |
| September 15 | 62°F16°C | 92°F33°C | 5 mph8 km/h from North | Clear | Clear |
| September 16 | 63°F17°C | 92°F33°C | 4 mph7 km/h from Southwest | Clear | Clear |
| September 17 | 62°F17°C | 93°F34°C | 4 mph6 km/h from Southwest | Clear | Clear |
No
Low of 59°F15°C, High of 84°F29°CWind: 7 mph11 km/h
Precipitation: None