CWS Forecast: Southeast Pennsylvania (Philadelphia)

The Commonwealth will see cool and quiet weather on Thursday, with temperatures a few degrees below average and mostly clear skies. Slightly warmer temperatures enter the region on Friday, but so does an increase in cloud cover. Heading into the weekend, partly cloudy skies and seasonable temperatures are expected on Saturday. A few showers are possible on Sunday before a more organized rainy system threatens to invade the region in the early to middle part of next work week.

Day One: Sunday, July 26th, 2026

Partly sunny with a slight breeze. Mostly cloudy overnight, then clear.

High: 66°

Low: 46°F 

Day Two: Monday, July 27th, 2026

Sunny during the day with a chance of showers overnight.

High: 66°

Low: 47°

Day Three: Tuesday, July 28th, 2026

A chance for rain during the day and night. Otherwise, mostly cloudy.

High: 61°

Low: 45°

Day Four: Wednesday, July 29th, 2026

Mostly clear skies dominate the entire day.

High: 61°F 

Low: 44°F

Day Five: Thursday, July 30th, 2026

Mostly sunny, then becoming partly cloudy overnight.

High: 70°F

Low: 55°F

Last Updated on June 25, 2026 at 2:36 pm