Live forecast for Philadelphia, PA — updated in real time. Check today's temperature, UV index, hourly breakdown, and 14-day outlook.
Philadelphia has a humid subtropical climate with four distinct seasons. Summers are hot and humid, with July highs often in the low 30s°C and elevated UV index levels that make midday sun protection worthwhile. Winters are cold but rarely extreme, bringing a mix of rain and snow.
Spring and fall are mild and among the most pleasant times of year, though spring can be wet. Sitting partway between the Atlantic coast and the Appalachians, Philadelphia gets rainfall spread fairly evenly across the year, along with summer thunderstorms and the occasional nor'easter or remnants of a tropical system in late summer.
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