I-580 CA weather conditions near Castro Valley, California
2026-10-25
Roadnow
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7 day weather forecast
Current condition: Clear 54°F 2026-10-25T02:15:00 
Overnight 2026-10-25, Mostly Clear. Detail...
Sunday 2026-10-25, Partly Sunny. Detail...
Sunday Night 2026-10-25, Mostly Cloudy. Detail...
Monday 2026-10-26, Mostly Sunny. Detail...- Monday Night 2026-10-26, Mostly Clear. Detail...
- Tuesday 2026-10-27, Mostly Sunny. Detail...
Tuesday Night 2026-10-27, Partly Cloudy. Detail...- Wednesday 2026-10-28, Partly Sunny. Detail...
- Wednesday Night 2026-10-28, Mostly Cloudy. Detail...
- Thursday 2026-10-29, Partly Sunny. Detail...
- Thursday Night 2026-10-29, Partly Cloudy. Detail...
Friday 2026-10-30, Slight Chance Rain. Detail...
Friday Night 2026-10-30, Chance Rain. Detail...- Saturday 2026-10-31, Chance Rain. Detail...