Philadelphia Weather in October

October in Philadelphia brings pleasant temperatures, with highs of 20°C (68°F) and nights dropping to 10°C (50°F). Rainfall is on the higher side this month, averaging around 118 mm (4.6 in), so keep a rain jacket handy.

Rainfall in Philadelphia in October

Expect around 11 days of rain based on historical data, with 118 mm (4.6 in) average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Philadelphia in October

If you're visiting Philadelphia in October, expect highs of 20°C (68°F) and overnight lows around 10°C (50°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights cool down to 10°C (50°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Philadelphia in October

With approximately 200 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Average water temperature in October

With water at 18°C (64°F), swimming is comfortable for most people. It feels refreshing rather than cold, though it depends a bit on personal preference.

If you prefer enjoying temperate temperatures and rain-free days, May typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.