West Homestead, PA 15120 Frost Dates
Frost dates for West Homestead, PA, ZIP 15120
Typically, the last spring freeze lands around 04/18, roughly 233 days out. The first fall frost typically arrives around 10/28, about 193 frost-free days later.
The USDA Plant Hardiness Zone Map puts West Homestead in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 6b around West Homestead has about 9 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.
The actual range around West Homestead's last frost
04/18 is the middle of 30 years of NOAA records, not a promise. Plant by 04/02 and you're betting against frost in roughly 9 years out of 10. 05/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How West Homestead compares
About 193 days separate West Homestead's last and first frost, putting it 19,960 of 40,283 ZIP codes nationally. Within PA, it ranks 486 of 2,088.
Learn more
the frost range explains how to read the range around West Homestead's dates instead of trusting one, and local microclimates explains what one yard in West Homestead can differ from the 15120 normal.