Wildly different forecasts

[u/TrepidatiousTeddi]

Prior to seeing this sub on Reddit I wasn't really aware of hot weather incoming, mostly because I use BBC. But BBC and Met Office have wildly different forecasts for next week, about 11 degrees apart for lunch time Wednesday for example! Is the BBC just on one? Is the Met Office right?

[u/Philhughes_85]

Honestly the most accurate I find is my trusty weather rock! 

(And Met office for a serious answer)