Swarthmore weather
Loading live data…Latest for Swarthmore: NWS (National Blend (NBM)): 70° Clear · American (NOAA GFS): 70° Clear · European (ECMWF): 71° Mainly clear.
The weather map: all three models at once
NWS, American, European side by side around Swarthmore and nearby towns.Live rain radar →Next 14 hours
consensus of the three models14-day forecast
where the models agree, and where they splitSwarthmore is a small town of about 6,211 people in PA, sitting at 39.9°N in a temperate climate zone. NWS, American, European each forecast Swarthmore with their own physics, so we line all three up and flag where they disagree. Nearby towns include Folsom, Ridley Park, Woodlyn.
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.
Which forecast is most accurate in the US?
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.