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 | |
Overnight
Patchy Fog
Friday
Mostly Sunny
Friday Night
Mostly Clear
Saturday
Sunny
Saturday Night
Clear
Sunday
Sunny
Detailed Forecast |
|
|---|---|
| Overnight | Patchy fog between 2am and 5am. Partly cloudy, with a low around 41. South southwest wind around 2 mph. |
| Friday | Mostly sunny, with a high near 75. West southwest wind 1 to 12 mph, with gusts as high as 20 mph. |
| Friday Night | Mostly clear, with a low around 45. South southwest wind 3 to 9 mph, with gusts as high as 18 mph. |
| Saturday | Sunny, with a high near 82. West southwest wind 3 to 13 mph, with gusts as high as 18 mph. |
| Saturday Night | Clear, with a low around 49. Southwest wind 2 to 13 mph, with gusts as high as 18 mph. |
| Sunday | Sunny, with a high near 88. |
| Sunday Night | Mostly clear, with a low around 48. |
| Monday | Sunny, with a high near 82. |
| Monday Night | Partly cloudy, with a low around 47. |
| Tuesday | Mostly sunny, with a high near 75. |
| Tuesday Night | Partly cloudy, with a low around 46. |
| Wednesday | Sunny, with a high near 76. |
| Wednesday Night | Mostly clear, with a low around 46. |
| Thursday | Mostly sunny, with a high near 77. |
