Can You Work Out Safely in Extreme Heat? Here’s How to Stay Cool. As record-breaking temperatures continue, can you still exercise outside? Possibly, but you have to be careful. Author: MELINDA WENNER MOYER Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)MoreClick to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)