Philadelphia weather
Loading live data…Cloudy,rain likely tomorrow
NWS, the American and the European model agree on a high near 82° in Philadelphia today. Tomorrow looks drizzle around 80°, with a 22% chance of rain.
The weather map: all three models at once
NWS, American, European side by side around Philadelphia and nearby towns.Live rain radar →Next 14 hours
consensus of the three models14-day forecast
where the models agree, and where they splitPhiladelphia, PA. Below we compare what NWS, American, European forecast for Philadelphia right now and flag exactly where they disagree, then break down Philadelphia's weather month by month and which forecast model has been most accurate here.
We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.
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.
What Philadelphia's weather is like through the year
Philadelphia runs from warm summers, with July highs near 89°F, to cold winters, when February lows sit around 31°F (a swing of about 58°F across the year). April is usually the wettest month, and Philadelphia sees roughly 46 inches of precipitation annually. Overnight lows stay below freezing across 1 month (February), so Philadelphia sees regular winter snowfall.
Best time to visit Philadelphia
The most comfortable time to visit Philadelphia is usually May, September and October, when daytime highs sit in the pleasant 60-78°F range and the heaviest April rain is behind you.
Which forecast is most accurate in Philadelphia?
CheckWeather Score — graded against the weather that actually happened
The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.
Bottom line: over the last 30 days the European model has been the most accurate forecast for Philadelphia, scoring 97/100 on our CheckWeather Score, ahead of the American at 65. See the full US accuracy scoreboard for exactly how every model is tested.
Where the models disagree
temperature and rain, judged separatelyThe models often agree on temperature and still split on rain — and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.