I-280 CA weather conditions near San Mateo, California

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Clear 64°F 2025-09-23T01:45:00
• Overnight 2025-09-23, Clear. Clear, with a low around 60. Calm wind.
• Tuesday 2025-09-23, Sunny. Sunny, with a high near 91. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
• Tuesday Night 2025-09-23, Increasing Clouds. Increasing clouds, with a low around 62. Southwest wind 6 to 9 mph.
• Wednesday 2025-09-24, Chance Showers. A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 81. Southwest wind 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
• Wednesday Night 2025-09-24, Slight Chance T-storms then Partly Cloudy. A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 61. West wind 5 to 9 mph becoming light after midnight.
• Thursday 2025-09-25, Mostly Sunny. Mostly sunny, with a high near 78.
• Thursday Night 2025-09-25, Partly Cloudy. Partly cloudy, with a low around 58.
• Friday 2025-09-26, Sunny. Sunny, with a high near 80.
• Friday Night 2025-09-26, Mostly Clear. Mostly clear, with a low around 58.
• Saturday 2025-09-27, Sunny. Sunny, with a high near 78.
• Saturday Night 2025-09-27, Mostly Clear. Mostly clear, with a low around 59.
• Sunday 2025-09-28, Mostly Sunny. Mostly sunny, with a high near 77.
• Sunday Night 2025-09-28, Mostly Clear. Mostly clear, with a low around 58.
• Monday 2025-09-29, Mostly Sunny. Mostly sunny, with a high near 77.