Mercerville's outlook: warmest day near 91° (Tuesday), coldest night about 58° (Sunday). Models drop roughly 1.7 in of precipitation across the stretch — watch Wednesday (90%). Hold onto the patio furniture Tuesday: gusts could hit 36 mph. The NWS alert board for this area is currently clear. Right now Mercerville is running about 10° warmer than Allentown. Longer view: classic Northeast mix — nor'easters, humid spells and a glorious fall.
Mercerville, NJ · Elev 89 ft · 40.24°N, 74.69°W · New Jersey · Forecast computed for these exact coordinates