Temperature records for Austin date back to 1898 at Camp Mabry, the city's official reporting site. These records show that Austin has reached 100 degrees on over 2,000 occasions since then. Further information is available on the frequency of 100-degree temperatures in Austin, including breakdowns by date, month, year, and decade.

Details on these occurrences can be found through local news sources, providing a more in-depth look at Austin's temperature history.