Lookout Mountain, TN 37410 Frost Dates
Frost dates for Lookout Mountain, TN, ZIP 37410
The last spring frost here typically falls around 03/31, about 215 days from today. The first fall frost typically arrives around 11/06, about 219 frost-free days later.
Lookout Mountain sits in USDA Zone 8a (10 to 15°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
Zone 8a around Lookout Mountain 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.
The actual range around Lookout Mountain's last frost
03/31 is the middle of 30 years of NOAA records, not a promise. Plant by 03/15 and you're betting against frost in roughly 9 years out of 10. 04/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Lookout Mountain compares
Lookout Mountain's growing season runs about 219 days, ranking 13,038 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 149 of 770.
Learn more
zone vs. frost date explains why Zone 8a and Lookout Mountain's frost date answer different questions, and the frost range explains how to read the range around Lookout Mountain's dates instead of trusting one.