temperature reached 48 celsius making it europe s hottest day so far this year. the hottest day on record in europe is 48.8. today we expect temperatures like this. in sardinia, falling by 10 degrees. looking at 43 in italy and greece and in tunisia, 49. to show the temperature compared to what we would expect, this is the key. white and blue, temperatures are average or below. and look what happens at the end of the week. the white returns, the blue returns. that means temperatures will be average or even below average. but, it also means across parts of north africa, the heat will transfer into parts of southern iberia and temperatures there could get into the low 405.