Hour-by-hour Forecast in Napa — Graph
Detailed Hourly Forecast — Next 24 hours
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| Conditions | Comfort | Precipitation | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Feels Like | Wind | Humidity | Chance | Amount | ||
| 8:00 am Wed, Jan 21 |  | 43 °F | Overcast. | 43 °F | 2 mph | ↑ | 94% | 0% | 0.00" (snow) 0.00" (rain) |
| 9:00 am | | 46 °F | Overcast. | 46 °F | 2 mph | ↑ | 90% | 0% | 0.00" (snow) 0.00" (rain) |
| 10:00 am | | 49 °F | Overcast. | 49 °F | 2 mph | ↑ | 83% | 0% | 0.00" (snow) 0.00" (rain) |
| 11:00 am | | 53 °F | Overcast. | 53 °F | 2 mph | ↑ | 77% | 0% | 0.00" (snow) 0.00" (rain) |
| 12:00 pm | | 55 °F | Overcast. | 55 °F | 2 mph | ↑ | 73% | 0% | 0.00" (snow) 0.00" (rain) |
| 1:00 pm | | 57 °F | Overcast. | 57 °F | 2 mph | ↑ | 70% | 0% | 0.00" (snow) 0.00" (rain) |
| 2:00 pm | | 58 °F | Overcast. | 58 °F | 1 mph | ↑ | 70% | 0% | 0.00" (snow) 0.00" (rain) |
| 3:00 pm | | 57 °F | Overcast. | 57 °F | 2 mph | ↑ | 73% | 0% | 0.00" (snow) 0.00" (rain) |
| 4:00 pm | | 56 °F | Overcast. | 56 °F | 2 mph | ↑ | 78% | 0% | 0.00" (snow) 0.00" (rain) |
| 5:00 pm | | 54 °F | Overcast. | 54 °F | 0 mph | ↑ | 82% | 0% | 0.00" (snow) 0.00" (rain) |
| 6:00 pm |  | 54 °F | Overcast. | 54 °F | 1 mph | ↑ | 83% | 0% | 0.00" (snow) 0.00" (rain) |
| 7:00 pm | | 51 °F | Overcast. | 51 °F | 3 mph | ↑ | 89% | 0% | 0.00" (snow) 0.00" (rain) |
| 8:00 pm | | 49 °F | Overcast. | 49 °F | 2 mph | ↑ | 95% | 0% | 0.00" (snow) 0.00" (rain) |
| 9:00 pm | | 49 °F | Overcast. | 49 °F | 2 mph | ↑ | 94% | 0% | 0.00" (snow) 0.00" (rain) |
| 10:00 pm | | 49 °F | Overcast. | 49 °F | 2 mph | ↑ | 93% | 0% | 0.00" (snow) 0.00" (rain) |
| 11:00 pm | | 48 °F | Overcast. | 48 °F | 3 mph | ↑ | 95% | 0% | 0.00" (snow) 0.00" (rain) |
| 12:00 am Thu, Jan 22 | | 48 °F | Overcast. | 47 °F | 4 mph | ↑ | 95% | 0% | 0.00" (snow) 0.00" (rain) |
| 1:00 am | | 48 °F | Overcast. | 46 °F | 4 mph | ↑ | 95% | 0% | 0.00" (snow) 0.00" (rain) |
| 2:00 am | | 47 °F | Overcast. | 46 °F | 4 mph | ↑ | 95% | 0% | 0.00" (snow) 0.00" (rain) |
| 3:00 am | | 47 °F | Overcast. | 46 °F | 3 mph | ↑ | 96% | 0% | 0.00" (snow) 0.00" (rain) |
| 4:00 am | | 47 °F | Overcast. | 46 °F | 3 mph | ↑ | 95% | 0% | 0.00" (snow) 0.00" (rain) |
| 5:00 am | | 46 °F | Overcast. | 46 °F | 3 mph | ↑ | 96% | 0% | 0.00" (snow) 0.00" (rain) |
| 6:00 am | | 45 °F | Overcast. | 45 °F | 3 mph | ↑ | 98% | 0% | 0.00" (snow) 0.00" (rain) |
| 7:00 am | | 45 °F | Overcast. | 45 °F | 3 mph | ↑ | 96% | 0% | 0.00" (snow) 0.00" (rain) |
| * Updated Wednesday, January 21, 2026 5:42:42 am Napa time - Weather by CustomWeather, © 2026 | |||||||||