Hi, it's possible you were looking at it in Celcius? It currently defaults to to the SI unit preset (displayed at the top right of the page) if you had not selected a preference yet. I will be changing that soon to be smarter and default to the unit based on location. This link should be good for you in the meantime: https://merrysky.net/forecast/44.9603383,-93.350066/us

If you're still seeing a discrepancy, feel free to email me with the debugging information so we can clear that up. feedback@merrysky.net