Philadelphia weather in August
Long-run climate averages for Philadelphia, PA in August, plus what the forecast models say for the days ahead.
In August, Philadelphia averages 85°F by day and 67°F at night. The wettest month is usually April.
August in Philadelphia averages a daytime high of 85°F and an overnight low of 67°F, which reads as hot for this part of the world. It is among the three warmest months of the year here. Across the whole year Philadelphia sees roughly 46 inches of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like — for that, see the live Philadelphia forecast with every model compared and how much they currently agree.
Philadelphia weather by month
what to expect in Philadelphia through the yearHere is Philadelphia's typical weather in each month: the average daytime high and overnight low in °F, how each month feels, and the wettest month marked. Use it to plan any trip to Philadelphia by season.