After a damp and gloomy Saturday, prepare for more of the same on Sunday, with clouds, showers and cool temperatures to wrap up the weekend. While temperatures will warm up this week, look for a chance of rain showers for the next several days, according to the National Weather Service in Mount Holly. Highs will reach the mid- to upper-50s in North Jersey and hit the low-60s in South Jersey on Sunday, before dropping into the 50s across the state overnight, the weather service said. Look for showers to move across the region Sunday afternoon, followed by fog in the evening and another round of…