Philadelphia, PA – Residents across Philadelphia will see summer’s heat return in force as a stretch of sunny, dry days sends temperatures soaring back to the 90s through early next week. After a mild Thursday night, thermometers will quickly climb, bringing highs in the upper 80s Friday and mid-90s by Monday and Tuesday, making heat safety a top concern for anyone planning outdoor activities or travel.
According to the National Weather Service, high pressure anchored over the region will keep skies mostly clear, locking in sunshine and pushing daily highs from 83°F Friday to 94°F by Tuesday. Neighborhoods from Center City to the Main Line and South Philly will feel the rising heat, with light winds providing little relief. Public transit riders and outdoor workers should plan for extra hydration and limited midday exposure. Anyone heading to the Shore or local pools can expect ideal swimming weather, but peak UV means sunscreen and shade breaks are a must.
With no rain in sight and nights staying mild—lows mostly in the 60s—this stretch offers a perfect window for evening dining, back-to-school shopping, and late summer events before fall routines return. The heat trend continues until at least Wednesday, with advisories possible if humidity spikes. Stay tuned for further updates if warnings are issued, and take precautions as temperatures climb.
Five Day Philadelphia, PA Forecast:
- Friday: Sunny, warming up. High 83°F, low 61°F
- Saturday: Sunny, hotter. High 86°F, low 63°F
- Sunday: Sunny, mid-summer feel. High 90°F, low 66°F
- Monday: Sunny, hottest stretch. High 92°F, low 69°F
- Tuesday: Mostly sunny, peak heat. High 94°F, low 75°F




