At first I was thinking of Pelican or Nikola given my experience with Python.
`jupyter nbconvert --to html notebook.ipynb`
Alternative : Emacs org mode babel supports literate programming[1]. Which can be easily converted static blog using org-publish.[2]
1. https://orgmode.org/worg/org-contrib/babel/languages/ob-doc-...
From the readme:
>An easy to use blogging platform, with support for Jupyter notebooks, Word docs, and Markdown.
There's also that: https://www.scottcondron.com/jupyter/blogging/visualisation/...
Found by searching for "jupyter notebook to blog"