No
you don't need a jacket based on the weather in Napa, CA, USA 1 second ago
73°F23°C & Mostly Clear
Wind is 2 mph4 km/h from the South, gusting to 4 mph7 km/h
| November 9 | ||||
| 12am | 73°F23°C | 3 mph5 km/h South | Mostly Clear | |
| 1am | 68°F20°C | 3 mph5 km/h South | Mostly Clear | |
| 2am | 65°F19°C | 2 mph3 km/h East | Mostly Clear | |
| 3am | 63°F17°C | 1 mph2 km/h North | Mostly Clear | |
| 4am | 60°F16°C | 3 mph5 km/h Northwest | Mostly Clear | |
| 5am | 59°F15°C | 3 mph4 km/h North | Mostly Clear | |
| 6am | 58°F14°C | 3 mph4 km/h North | Mostly Clear | |
| 7am | 56°F13°C | 3 mph5 km/h North | Partly Cloudy | |
| 8am | 55°F13°C | 3 mph5 km/h North | Mostly Clear | |
| 9am | 54°F12°C | 4 mph6 km/h North | Partly Cloudy | |
| 10am | 54°F12°C | 4 mph6 km/h North | Mostly Clear | |
| 11am | 53°F11°C | 4 mph6 km/h North | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| November 8 | 47°F9°C | 74°F24°C | 2 mph3 km/h from South | Mostly Clear | Mostly Clear |
| November 9 | 49°F10°C | 77°F25°C | 3 mph5 km/h from Northeast | Partly Cloudy | Mostly Cloudy |
| November 10 | 52°F11°C | 78°F25°C | 2 mph3 km/h from East | Mostly Cloudy | Mostly Cloudy |
| November 11 | 54°F12°C | 75°F24°C | 2 mph4 km/h from Southeast | Mostly Cloudy | Mostly Cloudy |
| November 12 | 53°F12°C | 64°F18°C | 6 mph9 km/h from Southwest | Cloudy | Heavy Rain |
| November 13 | 50°F10°C | 60°F15°C | 9 mph14 km/h from Southwest | Rain | Partly Cloudy |
| November 14 | 46°F8°C | 59°F15°C | 4 mph6 km/h from West | Partly Cloudy | Mostly Clear |
Yes
Low of 49°F10°C, High of 77°F25°CWind: 3 mph5 km/h
Precipitation: None