FrostDateCheck

Harbor View, OH 43666 Frost Dates

Frost dates for Harbor View, OH, ZIP 43666

Zone 6b

Around 04/20 is the usual last spring frost, about 235 days away. The first fall frost typically arrives around 10/27, about 188 frost-free days later.

Harbor View sits in USDA Zone 6b (-5 to 0°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 6b around Harbor View 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.

The actual range around Harbor View's last frost

04/20 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. 05/07 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Harbor View compares

Harbor View's growing season runs about 188 days, ranking 22,250 of 40,283 US ZIP codes measured here, longest to shortest. Within OH, it ranks 426 of 1,383.

Learn more

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