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: Mostly Cloudy 50°F 2025-11-28T01:00:00 
Overnight 2025-11-28, Partly Cloudy. Partly cloudy, with a low around 47. Calm wind.
Friday 2025-11-28, Mostly Sunny. Mostly sunny, with a high near 62. Calm wind becoming northwest 5 to 7 mph in the afternoon.Friday Night 2025-11-28, Partly Cloudy then Patchy Fog. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 46. Calm wind.
- Saturday 2025-11-29, Mostly Sunny. Mostly sunny, with a high near 64. North wind 3 to 5 mph.
Saturday Night 2025-11-29, Mostly Clear. Mostly clear, with a low around 46. Light north northwest wind.Sunday 2025-11-30, Patchy Fog then Mostly Sunny. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 64.
- Sunday Night 2025-11-30, Partly Cloudy. Partly cloudy, with a low around 46.
Monday 2025-12-01, Sunny. Sunny, with a high near 65.- Monday Night 2025-12-01, Mostly Clear. Mostly clear, with a low around 47.
- Tuesday 2025-12-02, Mostly Sunny. Mostly sunny, with a high near 66.
- Tuesday Night 2025-12-02, Partly Cloudy. Partly cloudy, with a low around 47.
- Wednesday 2025-12-03, Mostly Sunny. Mostly sunny, with a high near 65.
- Wednesday Night 2025-12-03, Mostly Clear. Mostly clear, with a low around 47.
- Thursday 2025-12-04, Sunny. Sunny, with a high near 66.