| NWS Forecast for: Napa CA Issued by: National Weather Service San Francisco Bay Area/Monterey, CA Last Update: 1:26 am PDT May 20, 2026 | |
| Today: Sunny, with a high near 32. Light south southwest wind increasing to 6 to 11 km/h in the afternoon. Tonight: Mostly clear, with a low around 11. South southwest wind 5 to 8 km/h becoming calm in the evening. Thursday: Sunny, with a high near 31. Light and variable wind becoming southwest 6 to 11 km/h in the afternoon. Thursday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 11. Southwest wind 6 to 11 km/h becoming light west southwest in the evening. Friday: Patchy fog before 7am. Otherwise, sunny, with a high near 27. Light west southwest wind becoming southwest 8 to 13 km/h in the afternoon. Friday Night: Mostly clear, with a low around 10. Saturday: Mostly sunny, with a high near 22. Saturday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 9. Sunday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 24. Sunday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 9. Memorial Day: Patchy fog. Otherwise, mostly sunny, with a high near 25. Monday Night: Mostly clear, with a low around 10. Tuesday: Sunny, with a high near 24. | |
| Napa CA 38.29°N 122.29°W (Elev. 20 m) | |
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