I-280 CA weather conditions near South San Francisco, California
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Clear 73°F 2025-09-23T22:45:00 
Tonight 2025-09-23, Partly Cloudy. Partly cloudy, with a low around 61. Southwest wind 10 to 13 mph, with gusts as high as 18 mph.
Wednesday 2025-09-24, Chance Showers. A 40 percent chance of showers. Partly sunny, with a high near 71. Southwest wind 8 to 11 mph.
Wednesday Night 2025-09-24, Slight Chance Showers. A 20 percent chance of showers. Mostly cloudy, with a low around 59. West southwest wind 6 to 9 mph.
Thursday 2025-09-25, Partly Sunny. Partly sunny, with a high near 68. West southwest wind 6 to 11 mph.- Thursday Night 2025-09-25, Partly Cloudy. Partly cloudy, with a low around 57. Southwest wind 8 to 14 mph, with gusts as high as 20 mph.
Friday 2025-09-26, Sunny. Sunny, with a high near 69.- Friday Night 2025-09-26, Partly Cloudy. Partly cloudy, with a low around 58.
Saturday 2025-09-27, Mostly Sunny. Mostly sunny, with a high near 67.
Saturday Night 2025-09-27, Mostly Cloudy. Mostly cloudy, with a low around 59.- Sunday 2025-09-28, Partly Sunny. Partly sunny, with a high near 67.
- Sunday Night 2025-09-28, Mostly Cloudy. Mostly cloudy, with a low around 58.
Monday 2025-09-29, Slight Chance Showers. A slight chance of showers. Partly sunny, with a high near 68.
Monday Night 2025-09-29, Slight Chance Showers. A slight chance of showers. Mostly cloudy, with a low around 58.Tuesday 2025-09-30, Slight Chance Showers then Mostly Sunny. A slight chance of showers. Mostly sunny, with a high near 69.