Philadelphia, Pennsylvania Weather in October

October weather

October is a comfortable month for walking Philadelphia, with mild afternoons and cool evenings. The average high is 20°C, but the low can reach 9°C, so evening plans feel quite different from lunchtime ones. Rain falls on about nine days, so showers can interrupt a day outdoors.

You can explore Old City, Independence Hall and the Benjamin Franklin Parkway without summer's sticky heat. Fairmount Park is good for autumn colour, too. If you hate crowds, weekdays are a calmer time for the Liberty Bell and historic streets.

Festivals and Halloween

Halloween brings a spooky side to the city. Eastern State Penitentiary runs its seasonal Halloween Nights in the former prison, with haunted attractions and live shows. It's a popular outing, so expect more visitors around the site on event nights.

The Philadelphia Film Festival is another October fixture, with screenings at venues around the city. Dates and programme details change each year, but it's a good fit for a rainy afternoon or evening.

Crowds and local tips

October is popular, but it usually feels less crowded than the peak summer months. It's also part of Philadelphia's best stretch for a visit, so don't expect every hotel or attraction to be quiet or cheap. Compared with colder November, you'll have more comfortable weather for long walks.

Travelling with kids? Pair the Franklin Institute with a stroll along the Parkway if the weather turns wet. For a practical local tip, use the underground concourse from City Hall toward the Reading Terminal Market when rain catches you downtown. You can warm up with a roast pork sandwich, a Philadelphia favourite, before heading back outside.