Weather information for the Napa Valley area is provided below. Average temperatures, climate details and current forecasts are included!
Climate
Close to the ocean and yet shielded by mountains, Napa Valley has a wet but temperate climate ideal for both vineyards and visitors. The bulk of the year features long, warm days with little moisture, followed by cool evenings. During winter there is more moisture, but temperatures never become extreme in either direction.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
| Avg. High | 57 | 62 | 65 | 71 | 75 | 81 | 83 | 82 | 82 | 76 | 64 | 57 | |
| Avg. Low | 39 | 42 | 43 | 45 | 49 | 53 | 55 | 55 | 53 | 49 | 43 | 39 | |
| Precipitation | 5.4 | 5.0 | 4.1 | 1.5 | 0.8 | 0.2 | 0.1 | 0.1 | 0.4 | 1.4 | 3.7 | 3.9 | |
This Afternoon
Mostly Sunny
Tonight
Partly Cloudy
Friday
Sunny
Friday Night
Mostly Clear
Saturday
Areas Of Frost then Mostly Sunny
Saturday Night
Mostly Cloudy then Patchy Fog
Detailed Forecast |
|
|---|---|
| This Afternoon | Mostly sunny. High near 65, with temperatures falling to around 59 in the afternoon. Southeast wind around 5 mph. |
| Tonight | Partly cloudy, with a low around 41. Northeast wind around 2 mph. |
| Friday | Sunny. High near 68, with temperatures falling to around 61 in the afternoon. North northwest wind around 3 mph. |
| Friday Night | Mostly clear, with a low around 37. Northeast wind around 2 mph. |
| Saturday | Areas of frost before 8am. Mostly sunny, with a high near 64. East southeast wind 1 to 8 mph. |
| Saturday Night | Patchy fog after 2am. Mostly cloudy, with a low around 38. |
| Sunday | Patchy fog before 9am. Mostly sunny, with a high near 64. |
| Sunday Night | Mostly clear, with a low around 40. |
| Monday | Sunny, with a high near 69. |
| Monday Night | Mostly clear, with a low around 38. |
| Tuesday | Sunny, with a high near 68. |
| Tuesday Night | Mostly clear, with a low around 37. |
| Wednesday | Patchy frost before 7am. Sunny, with a high near 67. |
| Wednesday Night | Mostly clear, with a low around 38. |
