Sunset & Sunrise Today in San Mateo, California

On Saturday, August 29, 2026, the sun sets over San Mateo at 7:42 PM, having risen at 6:37 AM. That works out to 13h 04m of daylight today. The sun reaches its high point above San Mateo at 1:10 PM.

Because San Mateo is at 37.56° (the mid-latitudes), daylight swings noticeably between the long days of summer and the short days of winter. Each day is currently getting about 2 minutes shorter and 17 seconds. As summer progresses, sunrise and sunset in San Mateo move a little each day rather than staying fixed.

Golden hour in San Mateo this evening is roughly 7:08 PM–7:59 PM, the best window for warm, soft photos. The blue hour follows, roughly 7:59 PM to 8:09 PM, as twilight deepens.

Tomorrow, sunset in San Mateo is at 7:40 PM and sunrise at 6:38 AM — about 2m 17s less daylight than today. The table below shows how sunrise and sunset in San Mateo drift across the whole year.

This is high summer in San Mateo, the season of long evenings. Over the course of the year, sunset in San Mateo ranges from as early as 4:50 PM (around December 1) to as late as 8:34 PM (around June 23). Its longest day lands on June 20 with 14h 45m of daylight, and its shortest on December 21 with just 9h 33m.