Masontown, PA 15476 Frost Dates
Frost dates for Masontown, PA, ZIP 15476
The last spring frost here typically falls around 04/28, about 243 days from today. The first fall frost typically arrives around 10/21, about 175 frost-free days later.
The USDA Plant Hardiness Zone Map puts Masontown 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 Masontown 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
04/28 is the middle of 30 years of NOAA records, not a promise. Plant by 04/15 and you're betting against frost in roughly 9 years out of 10. 05/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Masontown compares
About 175 days separate Masontown's last and first frost, putting it 26,935 of 40,283 ZIP codes nationally. Within PA, it ranks 1,162 of 2,088.
Learn more
local microclimates explains what one yard in Masontown can differ from the 15476 normal, and zone vs. frost date explains why Zone 6b and Masontown's frost date answer different questions.