Carnegie, OK 73015 Frost Dates
Frost dates for Carnegie, OK, ZIP 73015
The last spring frost here typically falls around 04/06, about 221 days from today. The first fall frost typically arrives around 10/31, about 206 frost-free days later.
The USDA Plant Hardiness Zone Map puts Carnegie 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 Carnegie 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 04/06 isn't a guarantee
04/06 is the middle of 30 years of NOAA records, not a promise. Plant by 03/20 and you're betting against frost in roughly 9 years out of 10. 04/22 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Carnegie compares
At roughly 206 frost-free days, Carnegie places 16,052 of 40,283 ZIP codes in this dataset. Within OK, it ranks 554 of 764.
Learn more
zone vs. frost date explains why Zone 7b and Carnegie's frost date answer different questions, and the frost range explains how to read the range around Carnegie's dates instead of trusting one.