Philly Weekend Weather Forecast

This forecast was updated Saturday 8AM–The models have the frontal boundaries falling apart today. So few if any clouds today (Saturday) and Sunday looks to be sunny and dry. Humidity increases Saturday night through Sunday. .

High pressure that has brought this beautiful weather will drift off to the east late Saturday. A return flow of more typical July temperatures and humidity  will move in very late Saturday and Sunday.

Saturday  will be sunny and very warm with highs near 90. Some clouds move in late afternoon as a weak warm front will move,through Saturday evening.

The continued flow of warm and humid air Sunday will allow temperatures to approach 90 with increasing humidity with mostly sunny skiesSome diffuse instability will cause some clouds mixed with Sunshine and there is a chance of scattered thundershowers late in the day. No specific advanced trigger will make predicting the location of these showers impossible at this time.