FrostDateCheck

Ogden, KS 66517 Frost Dates

Frost dates for Ogden, KS, ZIP 66517

Zone 6b

The last spring frost here typically falls around 04/21, about 236 days from today. The first fall frost typically arrives around 10/16, about 177 frost-free days later.

The USDA Plant Hardiness Zone Map puts Ogden 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 Ogden has about 7 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

04/21 is the middle of 30 years of NOAA records, not a promise. Plant by 04/08 and you're betting against frost in roughly 9 years out of 10. 05/06 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Ogden compares

At roughly 177 frost-free days, Ogden places 26,158 of 40,283 ZIP codes in this dataset. Within KS, it ranks 579 of 745.

Learn more

the frost range explains how to read the range around Ogden's dates instead of trusting one, and local microclimates explains what one yard in Ogden can differ from the 66517 normal.