Three Way, TN 38362 Frost Dates
Frost dates for Three Way, TN, ZIP 38362
The last spring frost here typically falls around 04/04, about 219 days from today. The first fall frost typically arrives around 10/30, about 208 frost-free days later.
The USDA Plant Hardiness Zone Map puts Three Way in Zone 7b (5 to 10°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 7b around Three Way 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.
Why 04/04 isn't a guarantee
04/04 is the middle of 30 years of NOAA records, not a promise. Plant by 03/18 and you're betting against frost in roughly 9 years out of 10. 04/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Three Way compares
About 208 days separate Three Way's last and first frost, putting it 15,657 of 40,283 ZIP codes nationally. Within TN, it ranks 378 of 770.
Learn more
local microclimates explains what one yard in Three Way can differ from the 38362 normal, and zone vs. frost date explains why Zone 7b and Three Way's frost date answer different questions.