I-780 CA weather conditions near Vallejo, California
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Overcast 54°F 2026-05-05T03:00:00 
Overnight 2026-05-05, Chance Rain. A 40 percent chance of rain, mainly before 4am. Cloudy, with a low around 52. West southwest wind around 7 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday 2026-05-05, Mostly Cloudy. Mostly cloudy, with a high near 65. West wind 6 to 10 mph.
Tuesday Night 2026-05-05, Increasing Clouds. Increasing clouds, with a low around 52. West southwest wind 5 to 10 mph.- Wednesday 2026-05-06, Becoming Sunny. Mostly cloudy through mid morning, then gradual clearing, with a high near 72. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Wednesday Night 2026-05-06, Partly Cloudy. Partly cloudy, with a low around 52. West southwest wind 6 to 10 mph.
Thursday 2026-05-07, Mostly Sunny. Mostly sunny, with a high near 72.- Thursday Night 2026-05-07, Partly Cloudy. Partly cloudy, with a low around 51.
Friday 2026-05-08, Sunny. Sunny, with a high near 75.
Friday Night 2026-05-08, Mostly Clear. Mostly clear, with a low around 52.
Saturday 2026-05-09, Sunny. Sunny, with a high near 82.
Saturday Night 2026-05-09, Clear. Clear, with a low around 54.- Sunday 2026-05-10, Sunny. Sunny, with a high near 86.
- Sunday Night 2026-05-10, Mostly Clear. Mostly clear, with a low around 55.
- Monday 2026-05-11, Mostly Sunny. Mostly sunny, with a high near 86.