| NWS Forecast for: Napa CA Issued by: National Weather Service San Francisco Bay Area/Monterey, CA Last Update: 2:38 am PDT Apr 11, 2026 | |
| Today: A chance of rain, then showers and possibly a thunderstorm after 11am. High near 60. South wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Tonight: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then showers likely and possibly a thunderstorm after 11pm. Low around 44. South wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible. Sunday: Showers and possibly a thunderstorm. High near 58. Southwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Sunday Night: A 30 percent chance of rain before 11pm. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 40. West southwest wind 5 to 9 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible. Monday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 64. Light and variable wind. Monday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 40. Tuesday: Areas of fog before 10am. Otherwise, sunny, with a high near 67. Tuesday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 40. Wednesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 68. Wednesday Night: Partly cloudy, with a low around 42. Thursday: Sunny, with a high near 72. Thursday Night: Mostly clear, with a low around 44. Friday: Sunny, with a high near 76. | |
| Napa CA 38.29°N 122.29°W (Elev. 20 ft) | |
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