Your midday Connecticut weather update Get ready for a soggy Thursday afternoon across Connecticut as thunderstorms are set to develop after lunch and continue through the evening hours. Here comes a 94 percent chance of rain starting around 1 P.M., with the heaviest downpours expected during the early afternoon. This morning started off cool with temperatures around 50 degrees at 5 A.M., but we'll warm up to near 60 by noon before those storms roll in.