WASHINGTON (AP) — While 2018 was the fourth-warmest year on record, British meteorologists are predicting the next five years will be much hotter, maybe even record-breaking.

Two U.S. agencies, the United Kingdom Met Office and the World Meteorological Organization analyzed global temperatures in slightly different ways, but each came to the same conclusion Wednesday: 2018 was the fourth-warmest year on record behind 2016, 2015 and 2017.

The U.S. government's National Oceanic and Atmospheric Administration said 2018's average temperature was 58.42 degrees (14.69 Celsius), which is 1.42 degrees...