 Now to 7 News First Alert meteorologist Jordan Evans. Overnight temperatures staying mild, 70s and low 80s across the DMV with light and variable winds and partly cloudy skies. For Sunday, partly sunny with a high of 95. Slightly lower humidity will keep that heat index right below 100 degrees. And Sunday night, partly cloudy with a low of 78. I'm 7 News meteorologist Jordan Evans in the First Alert Weather Center. 76 degrees, Tysons. 77 degrees in Waldorf.