Philadelphia/ Weather & Environment

Dreary Sunday Dampens Philadelphia Before Sunny, Chilly Week Blows In

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Published on October 04, 2026
Dreary Sunday Dampens Philadelphia Before Sunny, Chilly Week Blows InSource: Google Street View

Philadelphia is waking to a gray, damp Sunday with temperatures in the low 60s and a chance of rain showers after 8 a.m. The city should reach only about 65 degrees, with northeast winds of 5 to 10 mph and a 40% chance of precipitation.

Showers could develop during the morning and linger into the afternoon, when rain chances hover near 40% before easing later in the day. Rainfall should stay light, with totals generally below a tenth of an inch, but outdoor plans may want an umbrella nearby.

Clouds And Showers Give Way To Fog

Sunday night brings a slight chance of showers before 8 p.m., followed by cloudy skies and a low near 58. The National Weather Service discussion mentions possible patchy rural fog under its Saturday-night forecast.

The updated forecast is a little cooler and less wet than Hoodline's earlier outlook, but Sunday remains the week's least cooperative day for parks, patios and long walks around the city.

Sunny, Windy Turn Starts Monday

Monday should bring mostly sunny skies and a high near 70, though northwest winds could gust as high as 20 mph. Clear skies return Monday night, with temperatures dropping to around 49.

Sunny weather continues Tuesday through Friday, with highs near 64 Tuesday and Wednesday, then closer to 70 Thursday and Friday. That makes the week ahead far more comfortable for outdoor plans than Sunday.