BUFFALO, N.Y. (WIVB) — In the summer of 2025, Buffalo saw five readings over 90 degrees in July alone, and almost halfway through August, we’ve seen an additional three days of these readings.
High temperatures over 90 degrees in Buffalo are rare, but seeing multiple consecutive days of high temperatures at or above 90 degrees is even more rare. Those streaks are called heat waves.
A heat wave is defined as three 90+ degree highs for three consecutive days. Buffalo did not see this in July, despite the large number of hot days that were recorded. The longest streak we saw that month was only two days in a row, which is not enough to qualify for a heat wave…