2026 Sets New Heat Records: US Cities Break 100-Degree Day Marks

2026 becomes hottest year on record with cities hitting new 100-degree day highs. Texas, Oklahoma, and Colorado lead the way.

Editorial Desk

September 22, 2026 One Min Read

POLICY WIRE — Dallas, Texas — The summer of 2026 has officially become the hottest on record in the United States, with multiple cities setting unprecedented numbers of days exceeding 100 degrees Fahrenheit, according to a recent analysis by AccuWeather.

Dallas, Texas, led the way with 52 days of triple-digit temperatures, more than double its historical average and far surpassing the seven days recorded in 2025. Austin, the state’s capital, followed closely with 48 such days, marking a sharp increase from the previous year.

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Oklahoma City saw a dramatic jump from one 100-degree day in 2025 to 35 this year, while Tulsa and Wichita also made significant gains. Meanwhile, cities like Lander, Wyoming, and New York City’s Kennedy Airport tied their own records for 100-plus-degree days. Colorado shattered its previous heat record, recording 27 days above 100 degrees this summer.

Reporting by Policy-Wire (PW)

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