Slightly cooler, less humid air will settle over the Philadelphia area this weekend.
High pressure from Canada will slide southeastward across the tri-state. However, this high is not quite as cool as some of its predecessors in recent weeks.
Both days of the weekend will feature a good deal of sunshine with high temperatures slightly below average for the end of August, but still enjoyable for most outdoor activities. Temperatures are forecast to sneak just past 80 degrees.
It should cool off enough at night to shut off the air conditioners and open the windows.
The only concern for travelers will be the chance of patchy fog along the rivers early in the morning, especially on Sunday.
Temperatures and humidity will increase next week. However, it appears that one or more rounds of thunderstorms will keep the heat at bay during most of the week. The pattern could yield locally gusty storms.
A sprawling heat wave will be in full throttle over the Central states next week.
Heat may try to build eastward toward Philadelphia and much of the East Coast over the Labor Day weekend, which could continue the swimming season a bit longer for those who have the time off.