We haven't been too hot this summer and it took until the last day of August to reach the lower 90s and hence the hottest day so far in August. After a very muggy low of 72 at Philadelphia International Airport it reached 93 shortly before 2pm and before the deluge from thunderstorms pushed through for the remainder of the afternoon. As of 9pm the ol' rain bucket recorded 0.57" of rain and there will still be a threat of showers and thunderstorms overnight as well. Along with the abundant moisture around it will remain overcast and there may even be some fog as well with lows just in the lower 70s.
After morning clouds we should have some sunshine on Labor Day, but it will remain hazy, hot, and humid once again. Highs will be 90 or better with another round of showers and thunderstorms in the afternoon just like Sunday; overnight lows will once again be in the muggy lower 70s while Tuesday will be even warmer with highs AT LEAST in the lower 90s, but there will be a cold front draping through the region. This means there will be more showers and thunderstorms in the afternoon, but will be more widespread than the past two days.
Behind the front temperatures will still be in the middle 80s for Wednesday and Thursday, but the humidity drops off a bit with a northerly flow. Come Friday another surge of warm air pushes north and the humidity will return with highs near 90 while Saturday will feature showers and thunderstorms as highs will be once again near 90 degrees.
Enjoy your Labor Day and be sure to check out my 7-day forecast(as well as viewing the satellite and radar maps 24/7) at www.scottderekwx.com/forecast.html.