A British record high temperature of 38.7 (101.6 F) may have been reached on Thursday, provisional data from the U.K. Met Office showed on Friday.
Soaring temperatures broke records in Germany, France and the Netherlands on Thursday as a heat wave gripped Europe for the second time in a month.
The Met Office had said on Thursday that the second-highest temperature in Britain had been recorded in Cambridge, England, at 38.1 (100.58 F).