What is the weather like in Wash DC?

"The weather in Washington DC is usually mild and pleasant. In the summer, temperatures can reach the high 80s and low 90s, with occasional thunderstorms. In the winter, temperatures can dip into the 30s and 40s, with occasional snowfall. Spring and fall are usually mild and pleasant, with temperatures ranging from the 50s to the 70s," mentioned another expat when asked about moving to Wash DC.