I-80 weather conditions near Napa, California
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Clear 57°F 2025-09-22T03:30:00 
Overnight 2025-09-22, Mostly Clear. Mostly clear, with a steady temperature around 59. Calm wind.
Monday 2025-09-22, Sunny. Sunny, with a high near 87. Calm wind becoming southwest 5 to 8 mph in the afternoon.- Monday Night 2025-09-22, Clear. Clear, with a low around 59. Calm wind.
- Tuesday 2025-09-23, Sunny. Sunny, with a high near 92. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Tuesday Night 2025-09-23, Slight Chance Showers. A 20 percent chance of showers. Partly cloudy, with a low around 59. West southwest wind 5 to 8 mph becoming calm in the evening.
Wednesday 2025-09-24, Chance Showers. A 30 percent chance of showers, mainly before 11am. Mostly sunny, with a high near 80.Wednesday Night 2025-09-24, Slight Chance Showers then Partly Cloudy. A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 58.
Thursday 2025-09-25, Mostly Sunny. Mostly sunny, with a high near 80.
Thursday Night 2025-09-25, Partly Cloudy. Partly cloudy, with a low around 56.Friday 2025-09-26, Patchy Fog then Sunny. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 80.
- Friday Night 2025-09-26, Mostly Clear. Mostly clear, with a low around 55.
- Saturday Night 2025-09-27, Mostly Clear. Mostly clear, with a low around 55.
- Sunday 2025-09-28, Sunny. Sunny, with a high near 79.