West Newton, PA 15640 Frost Dates
Frost dates for West Newton, PA, ZIP 15640
Typically, the last spring freeze lands around 05/02, roughly 247 days out. The first fall frost typically arrives around 10/20, about 170 frost-free days later.
West Newton sits in USDA Zone 6b (-5 to 0°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
Zone 6b around West Newton has about 8 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
05/02 is the middle of 30 years of NOAA records, not a promise. Plant by 04/17 and you're betting against frost in roughly 9 years out of 10. 05/20 is the safer bet, historically only a 1-in-10 chance of frost that late.
How West Newton compares
West Newton's growing season runs about 170 days, ranking 29,033 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,481 of 2,088.
Learn more
the frost range explains how to read the range around West Newton's dates instead of trusting one, and local microclimates explains what one yard in West Newton can differ from the 15640 normal.