Sun Oct 18th, '26 - Daily Weather for San Francisco

Happy Sunday! Here's your weather for October 18th, 2026, in the wonderful city of San Francisco. - Morning starts crisp at 50 degrees; a light jacket is recommended. - Afternoon warms to a pleasant 74 degrees; a wonderful time for a stroll or picnic. - Clear skies expected with 71% humidity, feeling comfortable outside. - Gentle west breeze at 6 mph keeps it fresh. - Evening temperatures dip to 59 degrees; ideal for sunset views or exploring the city’s food scene. Have a fantastic day enjoying everything this beautiful city has to offer, and join us again tomorrow for more updates!