San Mateo, CA

Current conditions, hourly and 7-day forecast, and live radar for San Mateo, CA 94403. Right now: mostly clear, 66°F. Data from the National Weather Service.

• Tonight: Mostly clear, with a low around 66. West wind 2 to 9 mph.
• Thursday: Sunny. High near 85, with temperatures falling to around 81 in the afternoon. West wind 2 to 10 mph.
• Thursday Night: Partly cloudy, with a low around 60. West southwest wind 5 to 10 mph.
• Friday: Sunny, with a high near 78. West southwest wind 5 to 14 mph, with gusts as high as 22 mph.
• Friday Night: Mostly clear, with a low around 58. West wind 9 to 14 mph, with gusts as high as 23 mph.
• Saturday: Sunny, with a high near 73.