An easy and high confidence forecast, as a Bermuda high pressure system brings a southwesterly flow of increasingly warm [hot] and humid weather to the Philadelphia area this weekend.
On Saturday, some broken clouds in the morning will be followed by sunshine and warm temperatures. High 83.
For Sunday, a dramatic change in temperatures, with high temperatures around 93. It will be sunny and increasingly humid.
Dewpoints on Sunday will be in the mid to upper 60s, making the hot temperatures more uncomfortable. A dramatic change from the cool pattern we’ve had for the past few weeks.