Summer sun, humidity and warmth to move in the weekend

NOW AND NEW: Storm Watch Team Meteorologist Steve Teeling says overnight will go back to mostly cloudy with patchy fog. Friday will turn mostly sunny, and it will be warmer with highs in the upper-70s to near 80 degrees.
NEXT: The weather will be true summer this weekend with a lot of sunshine, humidity and warm temperatures. Highs will be in the 80s with some towns hitting 90 degrees away from the shore. 
OVERNIGHT: Some clouds and patchy fog.  Low of 59.
FRIDAY: Mostly sunny, milder. High of 79.
SATURDAY: Mostly sunny, hot and humid. High of 88.
SUNDAY: Mostly sunny, hot and humid. High of 87.
MONDAY: Mostly cloudy with scattered showers and thunderstorms. High of 79.
TUESDAY: Mostly sunny, cooler and less humid. High of 77.