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 66°F 2025-06-21T16:45:00 
Tonight 2025-06-21, Clear. Clear, with a low around 50. West northwest wind 16 to 21 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 32 mph.
Sunday 2025-06-22, Sunny. Sunny, with a high near 68. West northwest wind 7 to 16 mph, with gusts as high as 21 mph.
Sunday Night 2025-06-22, Mostly Clear. Mostly clear, with a low around 50. West southwest wind 9 to 16 mph, with gusts as high as 21 mph.- Monday 2025-06-23, Sunny. Sunny, with a high near 71. West southwest wind 7 to 13 mph.
Monday Night 2025-06-23, Partly Cloudy. Partly cloudy, with a low around 51. West southwest wind 10 to 14 mph.
Tuesday 2025-06-24, Mostly Sunny. Mostly sunny, with a high near 67.Tuesday Night 2025-06-24, Partly Cloudy then Patchy Fog. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 50.
Wednesday 2025-06-25, Patchy Fog then Sunny. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 70.
- Wednesday Night 2025-06-25, Mostly Clear. Mostly clear, with a low around 52.
- Thursday 2025-06-26, Mostly Sunny. Mostly sunny, with a high near 70.
- Thursday Night 2025-06-26, Mostly Clear. Mostly clear, with a low around 51.
- Friday 2025-06-27, Sunny. Sunny, with a high near 70.
Friday Night 2025-06-27, Mostly Clear then Patchy Fog. Patchy fog. Otherwise, mostly clear, with a low around 51.