San Francisco Weather Today Forecast 2025 Forecast. See the long range weather forecast for san francisco, check the 30 days forecast view, select a month and get the average expected weather for san francisco. Weather.com brings you the most accurate monthly weather forecast for san francisco, ca with average/record and high/low temperatures, precipitation and more.

Insights into temperature, precipitation, and weather trends. Myforecast is a comprehensive resource for online weather forecasts and reports for over 72,000 locations worldcwide.