San Ysidro, CA

Current conditions, hourly and 7-day forecast, and live radar for San Ysidro, CA 92143. Right now: mostly clear, 74°F. Data from the National Weather Service.

• Tonight: Mostly clear, with a low around 74. North wind around 5 mph.
• Thursday: A slight chance of rain showers between 11am and 5pm. Sunny, with a high near 93. West wind 0 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
• Thursday Night: Mostly clear, with a low around 70. West wind 5 to 10 mph, with gusts as high as 20 mph.
• Friday: Sunny, with a high near 91. West wind 5 to 15 mph, with gusts as high as 25 mph.
• Friday Night: Clear, with a low around 65. West wind 5 to 10 mph, with gusts as high as 20 mph.
• Saturday: Sunny, with a high near 85.