I-280 CA weather conditions near Sunnyvale, California
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Clear 75°F 2025-09-23T22:00:00 
Tonight 2025-09-23, Increasing Clouds. Increasing clouds, with a low around 64. South wind around 5 mph becoming calm after midnight.
Wednesday 2025-09-24, Chance Showers. A 50 percent chance of showers. Mostly cloudy, with a high near 81. Calm wind becoming northwest 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 64. Light and variable wind.
Thursday 2025-09-25, Mostly Sunny. Mostly sunny, with a high near 80. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Thursday Night 2025-09-25, Mostly Clear. Mostly clear, with a low around 59. West northwest wind 5 to 8 mph becoming calm in the evening.
Friday 2025-09-26, Sunny. Sunny, with a high near 83.- Friday Night 2025-09-26, Mostly Clear. Mostly clear, with a low around 60.
- Saturday 2025-09-27, Mostly Sunny. Mostly sunny, with a high near 78.
- Saturday Night 2025-09-27, Partly Cloudy. Partly cloudy, with a low around 60.
- Sunday 2025-09-28, Mostly Sunny. Mostly sunny, with a high near 77.
- Sunday Night 2025-09-28, Partly Cloudy. Partly cloudy, with a low around 59.
Monday 2025-09-29, Slight Chance Showers. A slight chance of showers. Mostly sunny, with a high near 78.
Monday Night 2025-09-29, Slight Chance Showers. A slight chance of showers. Partly cloudy, with a low around 59.Tuesday 2025-09-30, Slight Chance Showers then Sunny. A slight chance of showers. Mostly sunny, with a high near 80.