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
Mostly Clear
Thursday
Sunny
Thursday Night
Clear
Friday
Sunny
Friday Night
Clear
Saturday
Sunny
Detailed Forecast |
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Overnight | Mostly clear, with a low around 46. North wind around 21 mph, with gusts as high as 39 mph. |
Thursday | Sunny. High near 68, with temperatures falling to around 65 in the afternoon. North northeast wind 9 to 17 mph, with gusts as high as 36 mph. |
Thursday Night | Clear. Low around 44, with temperatures rising to around 46 overnight. North wind 9 to 14 mph, with gusts as high as 31 mph. |
Friday | Sunny, with a high near 66. North wind 10 to 14 mph, with gusts as high as 31 mph. |
Friday Night | Clear, with a low around 42. North wind around 12 mph, with gusts as high as 29 mph. |
Saturday | Sunny, with a high near 62. |
Saturday Night | Clear, with a low around 44. |
Sunday | Sunny, with a high near 68. |
Sunday Night | Clear, with a low around 43. |
Monday | Sunny, with a high near 64. |
Monday Night | Mostly clear, with a low around 43. |
Tuesday | Sunny, with a high near 64. |
Tuesday Night | Mostly clear, with a low around 43. |
Wednesday | Sunny, with a high near 66. |