I-5 weather conditions near San Ysidro, California
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Clear 63°F 2025-08-18T21:15:00 
Tonight 2025-08-18, Mostly Cloudy. Mostly cloudy, with a low around 64. West wind around 5 mph becoming calm in the evening.
Tuesday 2025-08-19, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 76. Light northwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.- Tuesday Night 2025-08-19, Increasing Clouds. Increasing clouds, with a low around 65. West wind around 5 mph becoming calm in the evening.
- Wednesday 2025-08-20, Decreasing Clouds. Cloudy, then gradually becoming mostly sunny, with a high near 76. Light northwest wind becoming west 5 to 10 mph in the morning.
Wednesday Night 2025-08-20, Patchy Fog. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 67. West wind around 5 mph becoming calm in the evening.Thursday 2025-08-21, Patchy Fog then Mostly Sunny. Patchy fog before 11am. Otherwise, partly sunny, with a high near 77.
- Thursday Night 2025-08-21, Mostly Cloudy. Mostly cloudy, with a low around 68.
- Friday 2025-08-22, Partly Sunny. Partly sunny, with a high near 79.
- Friday Night 2025-08-22, Mostly Cloudy. Mostly cloudy, with a low around 70.
Saturday 2025-08-23, Mostly Sunny. Mostly sunny, with a high near 79.- Saturday Night 2025-08-23, Increasing Clouds. Increasing clouds, with a low around 69.
- Sunday 2025-08-24, Mostly Sunny. Mostly sunny, with a high near 79.
- Sunday Night 2025-08-24, Increasing Clouds. Increasing clouds, with a low around 69.
- Monday 2025-08-25, Mostly Sunny. Mostly sunny, with a high near 76.