What is the weather like in Delaware?

Mean annual temperatures across the State range from 54.0 ° F in northern New Castle County to 58.1 ° F along the Atlantic coast of southern Delaware. Average annual precipitation is approximately 45” statewide. read more

Delaware Temperatures. This table gives the averages in degrees Fahrenheit and Celsius for maximum and minimum yearly temperatures. These normal temperatures are based on weather data collected from 1981 to 2010 for the NOAA National Climatic Data Center. read more

Weather News - June 23, 2018, 1:30:53 AM EDT Both amateurs and professionals alike will gather in Washington, D.C., on Saturday evening for the annual Astronomy Festival to gaze at other planets and stars in the Milky Way galaxy. read more