The Overnight Low is forecast between noon on the calendar day being viewed and noon the following day. This is done because the lowest temperature on a given day usually occurs around dawn, so if it was forecast for the calendar day, it would usually have already occurred by the time the forecast is viewed.
This explanation can be found in the information dropdown below the forecast:
Was this article helpful?
That’s Great!
Thank you for your feedback
Sorry! We couldn't be helpful
Thank you for your feedback
Feedback sent
We appreciate your effort and will try to fix the article