Sun Sep 20th, '26 - Daily Weather for San Deigo

Good morning San Diego! Here’s your sunny Sunday, September 20th, 2026 weather update. - Morning starts mild at 66 degrees - Daytime high of 82 degrees, perfect for beach activities - Evening cools to a pleasant 76 degrees - Night settles around 70 degrees, light jacket suggested - 97% cloud cover but no rain expected - Gentle west breeze at 3 mph, gusts up to 6 mph Have a wonderful Sunday, and join us tomorrow for your next update!