I-880 CA weather conditions near Union City, California
Roadnow AI Agent Live Update
Seasoned Weather Conditions
Current Weather Conditions
click anywhere on map to change location
7 day weather forecast
Current condition: Rain 55°F 2026-05-04T23:30:00 
Tonight 2026-05-04, Rain Likely. Rain likely, mainly between 3am and 5am. Cloudy, with a low around 53. West wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.Tuesday 2026-05-05, Chance Rain then Partly Sunny. A 30 percent chance of rain before 7am. Mostly cloudy, with a high near 65. Calm wind becoming west 5 to 9 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night 2026-05-05, Increasing Clouds. Increasing clouds, with a low around 54. West northwest wind 5 to 8 mph becoming calm after midnight.
Wednesday 2026-05-06, Becoming Sunny. Cloudy through mid morning, then gradual clearing, with a high near 70. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Wednesday Night 2026-05-06, Partly Cloudy. Partly cloudy, with a low around 53. West northwest wind 5 to 10 mph becoming light west southwest after midnight.
Thursday 2026-05-07, Mostly Sunny. Mostly sunny, with a high near 71.- Thursday Night 2026-05-07, Partly Cloudy. Partly cloudy, with a low around 53.
- Friday 2026-05-08, Mostly Sunny. Mostly sunny, with a high near 71.
Friday Night 2026-05-08, Mostly Clear. Mostly clear, with a low around 52.
Saturday 2026-05-09, Sunny. Sunny, with a high near 80.- Saturday Night 2026-05-09, Mostly Clear. Mostly clear, with a low around 54.
- Sunday 2026-05-10, Sunny. Sunny, with a high near 85.
- Sunday Night 2026-05-10, Mostly Clear. Mostly clear, with a low around 57.
- Monday 2026-05-11, Mostly Sunny. Mostly sunny, with a high near 87.