I-280 CA weather conditions near Cupertino, California

Roadnow AI Agent Live Update

7 day weather forecast

• Today 2025-09-20, Patchy Fog then Sunny. Patchy fog between 7am and 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 81. Calm wind becoming north 5 to 9 mph in the afternoon.
• Tonight 2025-09-20, Mostly Clear. Mostly clear, with a low around 59. North wind around 6 mph becoming calm in the evening.
• Sunday 2025-09-21, Becoming Sunny. Partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming northwest 5 to 8 mph in the afternoon.
• Sunday Night 2025-09-21, Mostly Clear. Mostly clear, with a low around 59. Northwest wind 5 to 8 mph becoming calm in the evening.
• Monday 2025-09-22, Sunny. Sunny, with a high near 88. Calm wind becoming northwest 5 to 7 mph in the afternoon.
• Monday Night 2025-09-22, Mostly Clear. Mostly clear, with a low around 63.
• Tuesday 2025-09-23, Slight Chance Rain. A 20 percent chance of rain. Mostly sunny, with a high near 87.
• Tuesday Night 2025-09-23, Chance Rain. A chance of rain, mainly before 11pm. Partly cloudy, with a low around 62.
• Wednesday 2025-09-24, Mostly Sunny. Mostly sunny, with a high near 84.
• Wednesday Night 2025-09-24, Mostly Clear. Mostly clear, with a low around 59.
• Thursday 2025-09-25, Sunny. Sunny, with a high near 83.
• Thursday Night 2025-09-25, Mostly Clear. Mostly clear, with a low around 58.
• Friday 2025-09-26, Mostly Sunny. Mostly sunny, with a high near 83.