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 | |
Tonight
Slight Chance Rain Showers then Patchy Fog
Tuesday
Patchy Fog then Mostly Sunny
Tuesday Night
Mostly Clear
Wednesday
Sunny
Wednesday Night
Partly Cloudy
Thursday
Mostly Sunny
Detailed Forecast |
|
|---|---|
| Tonight | A slight chance of rain showers before 11pm, then patchy fog. Partly cloudy. Low around 40, with temperatures rising to around 42 overnight. Southeast wind around 3 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday | Patchy fog before 9am. Mostly sunny. High near 64, with temperatures falling to around 62 in the afternoon. South southwest wind 2 to 7 mph. |
| Tuesday Night | Mostly clear, with a low around 42. West southwest wind 2 to 7 mph. |
| Wednesday | Sunny, with a high near 73. West southwest wind 2 to 8 mph. |
| Wednesday Night | Partly cloudy, with a low around 45. Southwest wind 2 to 8 mph. |
| Thursday | Mostly sunny, with a high near 70. |
| Thursday Night | Mostly clear, with a low around 46. |
| Friday | Mostly sunny, with a high near 71. |
| Friday Night | Mostly clear, with a low around 47. |
| Saturday | Patchy fog between 8am and 9am. Sunny, with a high near 72. |
| Saturday Night | Mostly clear, with a low around 48. |
| Sunday | Sunny, with a high near 73. |
| Sunday Night | Mostly clear, with a low around 48. |
| Monday | Mostly sunny, with a high near 77. |
