I-280 CA weather conditions near San Mateo, California
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Clear 63°F 2025-09-21T22:00:00 - Tonight 2025-09-21, Clear. Clear, with a low around 59. West southwest wind around 5 mph becoming calm after midnight.
Monday 2025-09-22, Sunny. Sunny, with a high near 84. Calm wind becoming west 5 to 8 mph in the afternoon.- Monday Night 2025-09-22, Clear. Clear, with a low around 60. West wind around 6 mph becoming calm in the evening.
- Tuesday 2025-09-23, Sunny. Sunny, with a high near 89. Calm wind becoming west northwest around 6 mph in the afternoon.
Tuesday Night 2025-09-23, Chance Showers. A 30 percent chance of showers. Mostly cloudy, with a low around 63. West wind 5 to 9 mph becoming light southwest after midnight. 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 81. New precipitation amounts of less than a tenth of an inch possible.Wednesday Night 2025-09-24, Slight Chance Showers then Partly Cloudy. A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 61.
Thursday 2025-09-25, Mostly Sunny. Mostly sunny, with a high near 80.
Thursday Night 2025-09-25, Partly Cloudy. Partly cloudy, with a low around 59.- Friday 2025-09-26, Mostly Sunny. Mostly sunny, with a high near 79.
Friday Night 2025-09-26, Mostly Clear. Mostly clear, with a low around 58.- Saturday 2025-09-27, Sunny. Sunny, with a high near 79.
- Saturday Night 2025-09-27, Mostly Clear. Mostly clear, with a low around 58.
- Sunday 2025-09-28, Sunny. Sunny, with a high near 78.