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Napa County Weather Forecast
Napa County, CA Weather Forecast Date: 1102 AM PDT Mon Aug 17 2026
Weather forecast for Napa County, CA
Today Hi: 76°FHi: 24°C Lo: 55°F Lo: 13°C |
Rest of Today... Mostly cloudy late in the morning then becoming sunny. Highs in the lower 70s to mid 80s. Southwest winds 5 to 15 mph. |
Tue Hi: 76°FHi: 24°C Lo: 56°F Lo: 13°C |
Tuesday... Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the 70s to 80s. Southwest winds 5 to 10 mph. |
| Wed Hi: 87°FHi: 31°C Lo: 55°F Lo: 13°C |
Wednesday... Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the mid 70s to upper 80s. Southwest winds 5 to 10 mph. |
Thu Hi: 76°FHi: 24°C Lo: 55°F Lo: 13°C |
Thursday... Mostly cloudy in the morning then becoming partly cloudy. Highs in the 70s to 80s. |
| Fri Hi: 76°FHi: 24°C Lo: 55°F Lo: 13°C |
Friday... Mostly cloudy in the morning then becoming sunny. Highs in the lower 70s to mid 80s. |
Sat Hi: 76°FHi: 24°C Lo: 55°F Lo: 13°C |
Saturday... Mostly clear. Lows in the 50s. Highs in the lower 70s to mid 80s. |
| Sat Hi: 76°FHi: 24°C Lo: 55°F Lo: 13°C |
Saturday... Mostly clear. Lows in the 50s. Highs in the lower 70s to mid 80s. |
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