FrostDateCheck

Rockford, OH 45882 Frost Dates

Frost dates for Rockford, OH, ZIP 45882

Zone 6a

Typically, the last spring freeze lands around 04/27, roughly 242 days out. The first fall frost typically arrives around 10/19, about 175 frost-free days later.

The USDA Plant Hardiness Zone Map puts Rockford in Zone 6a (-10 to -5°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 6a around Rockford 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

04/27 is the middle of 30 years of NOAA records, not a promise. Plant by 04/12 and you're betting against frost in roughly 9 years out of 10. 05/10 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Rockford compares

At roughly 175 frost-free days, Rockford places 27,080 of 40,283 ZIP codes in this dataset. Within OH, it ranks 1,048 of 1,383.

Learn more

zone vs. frost date explains why Zone 6a and Rockford's frost date answer different questions, and the frost range explains how to read the range around Rockford's dates instead of trusting one.