On July 25, 2022, a map from the D.C. Policy Center’s article, D.C.’s heat islands, was cited by City Cast DC:
The last few days have been some of the most wretchedly hot ones I’ve seen in D.C. Apparently, D.C. is an urban heat island (a.k.a it’s hotter than neighboring counties, lucky us). However, even within the District, temperatures can vary because of buildings, car exhaust, and the concrete-to-greenery ratio.
Read more: These are the hottest neighborhoods in D.C. | City Cast DC