Ong, NE 68452 Frost Dates
Frost dates for Ong, NE, ZIP 68452
Typically, the last spring freeze lands around 04/19, roughly 234 days out. The first fall frost typically arrives around 10/20, about 181 frost-free days later.
Ong sits in USDA Zone 6a (-10 to -5°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 6a around Ong 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.
The actual range around Ong's last frost
04/19 is the middle of 30 years of NOAA records, not a promise. Plant by 04/05 and you're betting against frost in roughly 9 years out of 10. 05/03 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Ong compares
About 181 days separate Ong's last and first frost, putting it 24,750 of 40,283 ZIP codes nationally. Within NE, it ranks 52 of 605.
Learn more
local microclimates explains what one yard in Ong can differ from the 68452 normal, and zone vs. frost date explains why Zone 6a and Ong's frost date answer different questions.