| NWS Forecast for: Napa CA Issued by: National Weather Service San Francisco Bay Area/Monterey, CA Last Update: 1:26 pm PDT Jun 29, 2026 | |
| Tonight: Mostly clear, with a low around 55. South southwest wind around 6 mph becoming calm in the evening. Tuesday: Sunny, with a high near 79. Calm wind becoming south southwest 5 to 9 mph in the afternoon. Tuesday Night: Increasing clouds, with a low around 51. South southwest wind 5 to 8 mph becoming calm in the evening. Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 78. Calm wind becoming south southwest 5 to 8 mph in the afternoon. Wednesday Night: Mostly clear, with a low around 51. Southwest wind 5 to 9 mph becoming light after midnight. Thursday: Mostly sunny, with a high near 76. Thursday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 52. Friday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 81. Friday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 54. Independence Day: Mostly sunny, with a high near 82. Saturday Night: Patchy fog. Otherwise, partly cloudy, with a low around 54. Sunday: Patchy fog. Otherwise, mostly sunny, with a high near 79. Sunday Night: Patchy fog. Otherwise, partly cloudy, with a low around 54. Monday: Mostly sunny, with a high near 79. | |
| Napa CA 38.29°N 122.29°W (Elev. 20 ft) | |
Visit your local NWS office at: https://www.weather.gov/mtr |




