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 and it's so windy, even the squirrels are holding onto branches for dear life!
57°F14°C & Mostly Clear
Wind is 12 mph19 km/h from the Southwest, gusting to 21 mph33 km/h
| July 21 | ||||
| 4am | 57°F14°C | 12 mph19 km/h Southwest | Mostly Clear | |
| 5am | 57°F14°C | 12 mph19 km/h Southwest | Mostly Clear | |
| 6am | 57°F14°C | 12 mph19 km/h Southwest | Mostly Clear | |
| 7am | 57°F14°C | 11 mph18 km/h Southwest | Mostly Clear | |
| 8am | 57°F14°C | 11 mph18 km/h Southwest | Mostly Clear | |
| 9am | 57°F14°C | 11 mph18 km/h Southwest | Mostly Clear | |
| 10am | 58°F14°C | 11 mph18 km/h Southwest | Partly Cloudy | |
| 11am | 59°F15°C | 11 mph18 km/h Southwest | Partly Cloudy | |
| 12pm | 61°F16°C | 11 mph18 km/h Southwest | Partly Cloudy | |
| 1pm | 63°F17°C | 12 mph19 km/h Southwest | Partly Cloudy | |
| 2pm | 66°F19°C | 12 mph20 km/h Southwest | Mostly Clear | |
| 3pm | 69°F20°C | 13 mph20 km/h Southwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 21 | 57°F14°C | 72°F22°C | 13 mph21 km/h from Southwest | Mostly Clear | Mostly Cloudy |
| July 22 | 57°F14°C | 69°F20°C | 10 mph16 km/h from Southwest | Mostly Cloudy | Cloudy |
| July 23 | 57°F14°C | 72°F22°C | 9 mph15 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
| July 24 | 57°F14°C | 74°F23°C | 10 mph16 km/h from Southwest | Mostly Clear | Partly Cloudy |
| July 25 | 56°F14°C | 73°F23°C | 10 mph17 km/h from Southwest | Mostly Clear | Mostly Cloudy |
| July 26 | 57°F14°C | 72°F22°C | 10 mph16 km/h from Southwest | Mostly Clear | Partly Cloudy |
| July 27 | 56°F13°C | 76°F24°C | 8 mph13 km/h from Southwest | Mostly Clear | Mostly Clear |
Yes
Low of 57°F14°C, High of 69°F21°CWind: 10 mph16 km/h
Precipitation: None