Go to this page:
Forecast Blog: Forecast Embeds
There you find the following iFrame to paste into your Muse site.
<iframe id="forecast_embed" type="text/html" frameborder="0" height="245" width="100%" src="http://forecast.io/embed/#lat=42.3583&lon=-71.0603&name=Downtown Boston"> </iframe>
Such iFrames you can find on nearly all weather sites. Simply Paste it into your site. You may modify it there by right-clicking on the object and choose "Edit HTML".
Attention: Do not use the iFrame code above. Copy the code directly from the homepage.
