“DC hit 90 Wednesday afternoon, setting a calendar day record and marking the latest 90-degree day in data kept since 1871.…It's DC's 11th record high this year and 21st warm-weather record, including 10 record-warm lows.”
www.capitalweather.com/record-highs...
capitalweather.com
DC hits 90 degrees, the latest date on record, amid widespread record highs
The previous latest 90 was Oct. 11, 1919.
I don’t know if you’ve been outside this evening, but it’s totally gross and I do not recommend it. 75% humidity and 70 degree dew point.
It’s mid-October.