 UW-DEL Weather Center forecast. Showers and thunderstorms likely today, mostly late this afternoon. Some of the storms could be severe, mostly cloudy, high near 92 degrees. Tonight, showers and thunderstorms, then a slight chance of more showers. Low around 63. Tomorrow, sunny, high near 81. Tomorrow night, mostly clear, low around 63. Tuesday, sunny, high near 86. Tuesday night,