Over the next 10 days Yorklyn tops out around 30° (Thursday) and dips to 14° on the coolest night (Tuesday). Models drop roughly 2.7 in of precipitation across the stretch — watch Wednesday (90%). Wind is the one to watch: gusts to 31 mph around Thursday. The NWS alert board for this area is currently clear. Right now Yorklyn is running about 47° warmer than Pittsburgh. Longer view: classic Northeast mix — nor'easters, humid spells and a glorious fall.
Yorklyn, PA · Elev 433 ft · 39.99°N, 76.65°W · Pennsylvania · Forecast computed for these exact coordinates