I-680 CA weather conditions near Union City, California
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Clear 72°F 2025-09-09T13:15:00 
This Afternoon 2025-09-09, Slight Chance Showers. A 20 percent chance of showers. Mostly sunny, with a high near 74. West wind 9 to 13 mph, with gusts as high as 20 mph.
Tonight 2025-09-09, Slight Chance Showers. A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 63. West wind 5 to 9 mph becoming light and variable after midnight. New precipitation amounts of less than a tenth of an inch possible.
Wednesday 2025-09-10, Chance Showers. A 40 percent chance of showers. Cloudy through mid morning, then gradual clearing, with a high near 73. Light south southwest wind becoming west 6 to 11 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night 2025-09-10, Increasing Clouds. Increasing clouds, with a low around 60. West southwest wind 6 to 9 mph.
Thursday 2025-09-11, Partly Sunny. Partly sunny, with a high near 71. Light southwest wind becoming west 5 to 9 mph in the afternoon.- Thursday Night 2025-09-11, Mostly Cloudy. Mostly cloudy, with a low around 59.
Friday 2025-09-12, Mostly Sunny. Mostly sunny, with a high near 76.
Friday Night 2025-09-12, Partly Cloudy. Partly cloudy, with a low around 58.- Saturday 2025-09-13, Mostly Sunny. Mostly sunny, with a high near 73.
- Saturday Night 2025-09-13, Mostly Cloudy. Mostly cloudy, with a low around 60.
- Sunday 2025-09-14, Partly Sunny. Partly sunny, with a high near 74.
- Sunday Night 2025-09-14, Partly Cloudy. Partly cloudy, with a low around 59.
- Monday 2025-09-15, Mostly Sunny. Mostly sunny, with a high near 78.