I-280 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 66°F 2025-09-22T09:15:00 
Today 2025-09-22, Sunny. Sunny, with a high near 84. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Tonight 2025-09-22, Mostly Clear. Mostly clear, with a low around 63. West northwest wind 5 to 7 mph becoming calm in the evening.- Tuesday 2025-09-23, Sunny. Sunny, with a high near 90. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Tuesday Night 2025-09-23, Chance Showers. A 30 percent chance of showers. Mostly cloudy, with a low around 65. West southwest wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday 2025-09-24, Chance Showers. A 40 percent chance of showers. Partly sunny, with a high near 79. Calm wind becoming west 5 to 7 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.Wednesday Night 2025-09-24, Slight Chance Showers then Mostly Cloudy. A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 63.
Thursday 2025-09-25, Mostly Sunny. Mostly sunny, with a high near 77.
Thursday Night 2025-09-25, Partly Cloudy. Partly cloudy, with a low around 60.- Friday 2025-09-26, Mostly Sunny. Mostly sunny, with a high near 77.
- Friday Night 2025-09-26, Mostly Clear. Mostly clear, with a low around 59.
- Saturday 2025-09-27, Mostly Sunny. Mostly sunny, with a high near 77.
- Saturday Night 2025-09-27, Mostly Clear. Mostly clear, with a low around 58.
- Sunday 2025-09-28, Mostly Sunny. Mostly sunny, with a high near 76.