Waynesburg, PA 15341 Frost Dates
Frost dates for Waynesburg, PA, ZIP 15341
The last spring frost here typically falls around 05/03, about 248 days from today. The first fall frost typically arrives around 10/15, about 164 frost-free days later.
Zone 6a (-10 to -5°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 Waynesburg, not a forecast for this year.
What to do before the first frost
Zone 6a around Waynesburg has about 7 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.
Why 05/03 isn't a guarantee
05/03 is the middle of 30 years of NOAA records, not a promise. Plant by 04/19 and you're betting against frost in roughly 9 years out of 10. 05/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Waynesburg compares
Waynesburg's growing season runs about 164 days, ranking 30,930 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,571 of 2,088.
Learn more
local microclimates explains what one yard in Waynesburg can differ from the 15341 normal, and zone vs. frost date explains why Zone 6a and Waynesburg's frost date answer different questions.