Erie, PA 16502 Frost Dates
Frost dates for Erie, PA, ZIP 16502
Around 04/26 is the usual last spring frost, about 241 days away. The first fall frost typically arrives around 11/04, about 192 frost-free days later.
Zone 6b (-5 to 0°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Erie, not a forecast for this year.
What to do before the first frost
Zone 6b around Erie has about 10 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
04/26 is the middle of 30 years of NOAA records, not a promise. Plant by 04/10 and you're betting against frost in roughly 9 years out of 10. 05/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Erie compares
At roughly 192 frost-free days, Erie places 20,100 of 40,283 ZIP codes in this dataset. Within PA, it ranks 505 of 2,088.
Learn more
zone vs. frost date explains why Zone 6b and Erie's frost date answer different questions, and the frost range explains how to read the range around Erie's dates instead of trusting one.