Harleysville's outlook: warmest day near 31° (Tuesday), coldest night about 14° (Monday). Roughly 1.8 in of rain falls over the period, with Wednesday the most likely wet day (92%). Wind is the one to watch: gusts to 30 mph around Wednesday. No active NWS alerts at the moment — quiet on the hazards front. Right now Harleysville is running about 51° warmer than New York. Longer view: classic Northeast mix — nor'easters, humid spells and a glorious fall.
Harleysville, PA · Elev 259 ft · 40.28°N, 75.39°W · Pennsylvania · Forecast computed for these exact coordinates