I-580 CA weather conditions near Napa, California

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Overcast 48°F 2025-11-24T04:30:00
• Today 2025-11-24, Patchy Dense Fog then Sunny. Patchy dense fog before 10am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 63. Light south southwest wind.
• Tonight 2025-11-24, Patchy Fog. Patchy fog before 10pm, then patchy fog after 5am. Otherwise, mostly clear, with a low around 42. Calm wind.
• Tuesday 2025-11-25, Patchy Fog then Sunny. Patchy fog before 9am. Otherwise, sunny, with a high near 63. Light and variable wind.
• Tuesday Night 2025-11-25, Patchy Fog. Patchy fog between 10pm and 4am. Otherwise, partly cloudy, with a low around 40. Calm wind.
• Wednesday 2025-11-26, Patchy Fog then Sunny. Patchy fog between 7am and 9am. Otherwise, mostly sunny, with a high near 64. Light and variable wind.
• Wednesday Night 2025-11-26, Mostly Clear then Patchy Fog. Patchy fog after 2am. Otherwise, mostly clear, with a low around 42.
• Thanksgiving Day 2025-11-27, Patchy Fog then Mostly Sunny. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 62.
• Thursday Night 2025-11-27, Patchy Fog. Patchy fog. Otherwise, partly cloudy, with a low around 44.
• Friday 2025-11-28, Areas Fog then Mostly Sunny. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 62.
• Friday Night 2025-11-28, Partly Cloudy. Partly cloudy, with a low around 44.
• Saturday 2025-11-29, Mostly Sunny. Mostly sunny, with a high near 60.
• Saturday Night 2025-11-29, Partly Cloudy. Partly cloudy, with a low around 43.
• Sunday 2025-11-30, Mostly Sunny. Mostly sunny, with a high near 58.