CWS Forecast: Southeast Pennsylvania (Philadelphia)

Wildfire smoke will cause hazy conditions to be prevalent across the Commonwealth on Thursday into Friday. The heat will also continue in the latter part of the week, with temperatures remaining solidly above average into the weekend. Wildfire smoke clearing will occur as we head into the weekend, but the threat of showers and potentially severe thunderstorms enters the region on Saturday. Looking ahead, Pennsylvania is looking to see far more stable, seasonable, and dry conditions for the end of the weekend into the start of next work week.

Day One: Thursday, July 16th, 2026

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

High: 66°

Low: 46°F 

Day Two: Friday, July 17th, 2026

Sunny during the day with a chance of showers overnight.

High: 66°

Low: 47°

Day Three: Saturday, July 18th, 2026

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

High: 61°

Low: 45°

Day Four: Sunday, July 19th, 2026

Mostly clear skies dominate the entire day.

High: 61°F 

Low: 44°F

Day Five: Monday, July 20th, 2026

Mostly sunny, then becoming partly cloudy overnight.

High: 70°F

Low: 55°F

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